Taina Morales, an aspiring entertainer, begins her first day at Manhattan School for The Arts, but when her drama teacher, Mr. Colon, calls her out on her overacting, she starts to doubt her acting ability. Lamar is convinced that Daniel is a jinx, then he's forced to take an all-female ballet class.

Taina is asked to join the senior girl group Blue Mascara (3LW). However, the group discourages her from continuing to hang out with Renee, feeling that she will interfere with the group's career pursuits. Meanwhile, Daniel loses a bet to Lamar and must join the school's losing basketball team. Taina ultimately decides that her friendship with Renee is more important than being in Blue Mascara and quits the group. Gia (Adrienne Bailon), Lia (Kiely Williams), and Ria (Naturi Naughton) go on to perform "No More (Baby I'ma Do Right)" without Taina, and Maritza tries to take her place in the group.

Taina and Gloria disagree on what dress she should wear for her Quinceañero, her 15th birthday party; Lamar competes with Alex (Nick Cannon), Maritza's boyfriend who appears to have feelings for Taina.

Taina is forced to find her own way to get money to go on an amusement-park trip to see singer Joe perform, after her parents refuse to giver her the money. After winning a cash prize in a radio contest, Taina spends almost all of the money on an expensive pair of shoes instead of on the trip. Lamar and Daniel win the chance to be radio DJs for a week at Papito's, but Lamar's ego goes to his head, ruining the experience for them both.

When Taina gets a bad grade on a Spanish exam, Abuelo Gregorio goes overboard immersing the family in their Puerto Rican heritage. Lamar helps Taina write a love letter to Papito's nephew, who only speaks Spanish. A weird goth girl, Ice, falls in love with Lamar.

After buying a cheap bracelet and being told that her great-grandmother was psychic, Taina is convinced that she is also psychic. Daniel and Lamar are so obsessed with a skiing video game at Papito's that they refuse to take showers.

A short play that Taina wrote is chosen for a showcase which she must also direct. The task becomes overwhelming when her actresses Renee and Maritza, her musician Daniel, and her assistant-director Lamar all want to do their own thing.

Taina auditions for a soap opera but Santito, who accompanied her, gets the role. Beatrice (Benita Robledo), whom Daniel had a crush on back in band camp, moves to town and falls for Lamar.

Taina is desperate to be cast as Robert De Niro's daughter in a movie. Daniel and Lamar get jobs to buy a used computer program to make their movies. Taina's Titi Carmen visits, causes tension with Abuelo Gregorio.

Taina wants a new cell phone after hers malfunctions. When Titi Rosa buys her a new phone, she sells her old one to Renee; when it finally breaks down for good, Renee asks for her money back, causing a rift in their relationship. Daniel and Lamar try to bribe Maritza for Knicks-Lakers tickets.

Taina, Renee, and Maritza must team up to perform for a talent show or get a failing grade in drama class. Taina has difficulty telling Renee that she can't sing. Daniel has writer's block and turns secret, embarrassing stories from Lamar and Taina into songs.

Taina suspects that Alex of the group MDO is a fraud.

Taina is selected to record a song with a popular artist and must go on tour for a year; she faces a tough decision on whether or not to go.