Wook finally finds Il Yong. But it seems he is not the only one who needs to find him. Although Wook is happy to find Il Yong, his ill-fated relationship with Yoon Gu begins. Meanwhile, Jong A and Pan Seok are on the verge of finding Eun Sil’s body. They uncover what actually happened on the day Eun Sil died.

The Industrial Complex Three welcomes Wook and Pan Seok. It turns out Hyun Ji had been living in the village until Pan Seok found her remains. Also, they find that Yang Eun Hee is a resident there. For Myung Ja’s sake, they decide to find who killed Eun Hee and secure her body so that she may rest in peace.

Many residents of Industrial Complex Three now rest in peace. But Wook and Pan Seok are still trying to figure out why Eun Sil cannot leave the place. Meanwhile, the search for Noh Yoon Gu, the man behind Goliath, is at large. Thanks to the evidence that Il Yong secured, the police apprehend Yoon Gu quickly.

Jong A, Wook, and Pan Seok set up an operation to catch Gun Ju red-handed. However, something goes wrong and puts Pan Seok in danger. Meanwhile, Young Jin tells Eun Sil the truth behind his death. He tells the incident he had with his son and reveals the true reason why he wants nobody to find his body.

Wook learns from Il Yong that the Goliath is a man named Pil Joong. He is Il Yong’s friend and also the person who murdered him. Meanwhile, the investigation on finding Ro Ha’s body continues. With new evidence from a new witness and help from Ro Ha’s drawings, the police and Pan Seok are able to narrow down where he could be.

As soon as Eun Hee’s case is resolved, Wook heads to prison to visit Lee Dong Min. There, he runs into two men he was least expecting to see. Jun Ho continues his search for Se Young and looks after Bo Ra who is left all alone. Meanwhile, a high school boy suddenly appears at Industrial Complex Three, asking to save his sister who is in danger.

Wook and Il Yong find a house that Il Yong cannot enter. Apparently, the owner of the house is the lady who has been appearing in Wook’s dreams. Meanwhile, the search for Alice’s body leads to a clue that her father is an abusive man and that he fled to Guam. Pan Seok and Jong A try their best to track him down and find Alice.

Once Wook realizes what Duon Village actually is, he receives a big shock. None of the police takes him seriously when he tells them about the village, and they seem to think he is Ha Neul’s kidnapper. Meanwhile, the gangsters who abducted him keep showing up, so Wook goes back to see Pan Seok.

Hwang Du Cheol, the man in the derelict building, claims that Thomas had him locked up for years. The village is in an uproar when they find out Thomas’ secret. Meanwhile, Jun Ho gets a phone call from a witness who says he saw Yeo Na. As Wook, Jong Ah, and Pan Seok set out to find some evidence, Manager Wang has them tailed.

A village holds spirits of missing, deceased people. A search to find the missing bodies and discover the truth behind their disappearance occurs.

Wook is despondent over Nam Guk’s death, but he soon begins to track down the mysterious thugs who kept following him. Jun Ho also continues his investigation on the deaths of Nam Guk and Jang Myung Gyu, as well as Yeo Na’s disappearance. Meanwhile, the sex offender in Duon Village terrorizes the villagers.

Wook discovers that one of the villagers of Duon Village, Kim Hyun Mi, is his mom. Seeing her after all these years makes him feel quite flustered. In the meantime, Wook and Pan Seok must find Woo Il Suk’s body to make sure Duon Village is safe again. Meanwhile, Jun Ho finds a lead to finding Yeo Na.

Wook continues to stay with Pan Seok, the man who lives in Duon Village and finds the villagers’ missing bodies. When Wook meets Yeo Na in the village, he realizes that she was the girl he witnessed being abducted. Meanwhile, Jun Ho finds Yeo Na and Nam Guk’s phone numbers in the call history of a murder victim and becomes worried.

Wook finds out that his mom worked as a housekeeper for Chairwoman Han of Choiseung Construction. He goes to speak to the chairwoman and runs into Jun Ho. Wook finally tells Jun Ho that he witnessed Yeo Na’s abduction. Meanwhile, Duon Village prepares for their annual Memory Day, and Thomas’ surprise for Yeo Na is revealed.

Pil Joong manages to get away from Wook and meets his boss. However, after the meetup, Pil Joong’s car mysteriously crashes into a tree and kills him. Meanwhile, Gwang Taek hands over where Sang Chul’s body is after he hears the death of the Goliath. Thanks to Detective Shin, Sang Chul is found and allows him to rest in peace.

Jun Ho goes to the mountain in Duon Village and says everything he wanted to say to Yeo Na. Then, he joins Wook, Jong Ah, and Pan Seok to investigate the case from 27 years ago. Meanwhile, Thomas finishes his surprise present for Jang Mi as the Missing Persons Squad tracks down Jang Mi’s murderer.