Chai Xiaoqi, an alien girl, and Fang Leng, the CEO of F Group, were about to get married when suddenly, time froze. A spaceship appeared, capturing them and their companion, Xiao Bu, and transporting them back to Cape Town Star. There, they were informed that their marriage to a human was illegal, violating Cape Town Star's laws.

Fang Leng's emotional barriers begin to crumble as he spends more time with Xiaoqi. A misunderstanding leads to a near-confession.

Xiaoqi finally reveals her alien identity to Fang Leng. He must come to terms with this shocking revelation and decide about their future.

Fang Leng discovers evidence of Xiaoqi's alien nature. He struggles with disbelief and confusion about their relationship.

The narrative follows the intertwined lives of Fang Leng, Xiao Qi, Fang Lie, and Zhou Siqin. Fang Leng takes Xiao Qi on a shopping spree, displaying his affection. Fang Lie's attempts to woo Xiao Bu are comically interrupted by his mother, Zhou Siqin, who also blames Fang Leng for the ensuing chaos. Xiao Qi learns of Fang Leng's annual visit.

Fang Leng is unsettled by Xiao Qi's subtle flirting, as she plays hard to get, leaving him confused. Assistant Han encourages him to take the initiative. Trying to clear the air, Fang Leng attempts to discuss the previous day's events with Xiao Qi, but she purposely ignores him, making him feel more anxious. At a meeting, Fang Leng is surprised when Zhou Dong supports his proposal.

Xiao Qi believes that her plan to establish a research department for Fang Leng was rejected because she offended Zhou Dong's niece, Chen Mengfei. To apologize, she decides to go to Zhou Dong's house and clean for him. By chance, she runs into Fang Leng, who is visiting. While at the house, Zhou Dong and his wife have a quarrel.

Fang Leng and Xiao Qi, after managing a live stream crisis and resolving a makeup issue, grow closer. Their teamwork strengthens their bond, but Zhou Siqin, upset over her failed plans, starts scheming her next move. Back home, they encounter Fang Lie and Xiao Bu, revealing their complicated relationships and adding tension to the group dynamic.

Fang Leng approached Xiao Qi with a belt, tying her up with a blanket. Xiao Qi, determined, secretly untied herself, but as she tried to find Fang Leng again, she was shocked by an electric alarm he had set. Determined to prove herself, Xiao Qi decided to work at Fang Leng’s company, hoping to gain his affection. Fang Leng set strict conditions for her, hoping she would back out.

Fang Leng, by revisiting his memory database, recalls an incident he had forgotten involving a woman, but soon realizes that he had never really forgotten Chai Xiao Qi. Dr. Zhang's analysis leads Fang Leng to believe that Chai Xiao Qi was a woman he had met during a business trip to the United States, which would explain her persistent behavior toward him.

Fang Leng wakes up after recovering, and as a way of thanking Chai Xiaoqi for her care, he prepares breakfast for her. However, he warns her not to develop feelings for him, as he believes their relationship can never go anywhere. Chai Xiaoqi, however, accidentally reveals that she only likes the scent of Fang Leng, which sparks an idea in Fang Leng's mind.

Chai Xiaoqi had always hoped to make Fang Leng fall in love with her using her unique alien ability, the love wave. Unfortunately, the ability didn't work on him. She soon realized that it was because they had once been married, and this somehow made him immune to her powers. As she was thinking about how to make him fall for her.

In order to complete their mission, Chai Xiaoqi and Xiaobu try to get closer to Fang Leng by becoming his neighbors and even rooming with the milk tea shop owner, Chai Jie. They come up with several plans to collect Fang Leng's hormones, believing this is the key to getting closer to him, but each attempt ends in failure.

During F Group's perfume launch, Fang Leng introduces a new fragrance, created specifically for Xiao Qi. At the press conference, Fang Lie, a new and emerging artist, attends alongside Xiao Bu. Meanwhile, Chai Jie and Dr. Zhang start a romantic relationship despite being in different countries. To focus on her career, Chai Jie signs up for a competitive show.

Fang Leng stood by Xiao Qi's bed, heartbroken as he watched her cry. The latest test results had not worked, and despite all the efforts to save her, it had come to this. Jiang Shiyi had informed him that in three days, the spaceship would arrive to take Xiao Qi away. Fang Leng had tried everything, hoping to give Xiao Qi one last chance.

Xiao Qi asked Fang Leng to create a wish list, wanting to make the most of the time they had before leaving. One night, they sat by a lake, gazing at the stars. As they shared memories and dreams, Xiao Qi's health began to worsen, and she suddenly collapsed. In a panic, Fang Leng rushed her home and noticed something was wrong.

Fang Leng became somewhat jealous when he learned that Xiao Qi and Jiang Shiyi's compatibility was as high as ninety-nine. Feeling that his bond with Xiao Qi was the better one, he decided to prove it by following a typical Earthling tradition taking her to meet his parents. He was accompanied by Fang Lie, who brought Xiao Bu along as well.

Xiaoqi learns more about human emotions and relationships. She and Fang Leng grow closer as he teaches her about Earth customs.

A rival company tries to poach Xiaoqi for her unique skills. Fang Leng becomes protective, realizing his growing attachment to her.

Xiaoqi receives a signal from her home planet, forcing her to choose between staying on Earth with Fang Leng or returning home.

Xiaoqi's alien nature causes problems at a crucial business meeting. Fang Leng covers for her, realizing how much he cares for her.

Jiang Shi found Chai Xiao Qi before Fang Leng and locked her up in his house, hoping to change her mind. He reminded her of their childhood bond, but despite his attempts, Chai Xiao Qi remained firm in her decision not to leave with him. Desperate, Jiang Shi resorted to using hormones, absorbing Fang Leng's hormones to show her that her feelings were merely a chemical reaction, not real love.

Fang Leng finally confesses his feelings to Xiaoqi. Their relationship faces immediate challenges due to her alien identity.

Xiaoqi's alien identity is nearly exposed during a company retreat. Fang Leng protects her secret, bringing them closer.

The rival alien creates chaos, forcing Xiaoqi to use her powers more openly. Fang Leng becomes suspicious of her unusual abilities.

Xiaoqi's communication device is briefly activated, reminding her of her mission to return home. She becomes conflicted about her feelings for Earth and Fang Leng.

Fang Leng accepts Xiaoqi's alien nature. They work together to fend off the rival alien threatening Earth and their relationship.

Chai Xiaoqi, an alien from Cape Town, crash-lands on Earth. She meets Fang Leng, a CEO with emotional control issues, and saves him from danger.

A health scare for Fang Leng reveals the depth of Xiaoqi's feelings for him. She risks exposing her identity to help him.

Fang Leng and Xiaoqi face their final challenge as they try to find a way for her to stay on Earth. Their friends and family rally to help.

Fang Leng's family interferes in his relationship with Xiaoqi. She uses her alien charm to win them over, causing humorous situations.

Xiaoqi struggles to keep her alien identity secret as her relationship with Fang Leng deepens. A rival alien appears, threatening her happiness.

Xiaoqi starts working at Fang Leng's company. Her alien abilities cause both amazement and confusion among her coworkers. Fang Leng's ex-girlfriend appears, creating tension.

A misunderstanding leads Xiaoqi to believe she and Fang Leng are in a relationship. Comedic situations ensue as she acts on this assumption.