Another school year begins. The girl who introduced Win to drugs in America transfers into the school, and she's shocked by how strict her teacher is.

Phai loses his friends when he starts dating Sprite. The girls at school gossip about Tar and Toei. Mhog keeps neglecting his girlfriend.

Toei walks into her classroom to find the word "slut" scrawled on her desk. Tar wants to reach out to her, but things are still awkward between them.

Although worried at first, Dao's mother ends up being impressed with Din. So much so that she asks Dao to invite him over for dinner.

Through Win's manipulations, Kwan finds out that her father has a secret son. Sprite struggles with her "easy" reputation.

A monk tells Phai that he's heading for a fatal destiny, but he can't stop getting into fights. He's also increasingly jealous of his girlfriend.

Summer break begins. Win takes his frustrations out by sleeping with girls at the club. Kwan meets her father's family. Sprite's baby sister is born.

The two-day Big Mountain festival begins. Everyone's there, including Dao, who's lied to her mother about where she's going.

It's the start of a new school year. Popular student Kwan becomes class president, while bad boy Win challenges the school rules in a big way.

Kwan and Win are both chosen to represent their grade in the Teacher's Day ceremony. Sprite's flirtatious ways get her in trouble.

Kwan gets caught cheating on the chemistry exam, and the news spreads like wildfire -- along with rumors about her parents. Win feels responsible.

Dao and Koi finally talk things out. Dao wants their close friendship back, but Koi wants more and is hurt that her feelings aren't returned.

After playing guitar in one of Win's videos, Tar gets the chance to play with See Scape, the most popular rock band at school.

Everyone is gossiping about Toei's run-in with the older girls. Thee and Tar get jealous when Toei starts hanging out with her ex-boyfriend again.

The students return to school. See Scape is performing at the Big Mountain music festival and Tar can't hide his excitement. Phu apologizes to Thee.

A rift grows within the school council over the Sports Day budget. Koi builds up the courage to tell her father that she likes girls.

On the heels of Non's departure, Boss also quits the student council. At the mall, Sun gets a surprising offer from an attractive older woman.

With Sun distracted, the other members of See Scape ask Pang to sing for them. Pala is living with HIV, which is why his grandma is so overprotective.

Jane joins the band as drum major, but she has trouble with teamwork. Later, she sees Win out at a club for the first time since New York.

After what Pala's grandma said to her, Zomzom keeps rejecting Pala's advances. Pang asks Tar if he was behind the rumor about her.

Jelly promises to return the money she misspent, but Boss doesn't trust her. The school council works deep into the night to prepare for Sports Day.

Jane returns to school and immediately gets into an altercation with her teacher. First is always joking around, but things aren't good at home.

Oil has a seizure at school and gets jealous when she finds out that Pang and First are texting each other. Dao reaffirms her feelings for Koi.

Zomzom is upset when her father's friend John brings his daughter and moves in with them. At school, she pretends not to know John's daughter.

All of Oil's lies come crashing down around her. With nowhere else to turn, she writes a heart-wrenching, confessional post on Facebook.