Dao organizes an event where students give each other year-end messages on heart-shaped paper. Phu can't bring himself to give his message to Thee.

Now that he has a new girlfriend, Tar is walking on air. Toei feels uncomfortable when Mr. Pin, the handsome computer teacher, gives her attention.

Phai gets a major wake-up call when a girl he hooked up with tells him she's pregnant.

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.

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

Unhappy and bored, Oil comes to life when she pretends to be a popular classmate online. She needs to stop, but she doesn't know how.

Someone is impersonating Sprite online and ruining her reputation. Sprite doesn't really care -- until things start to get out of hand.

Win re-enrolls in school, and he has a lot of apologies to make. Dao feels hurt when she sees Din, the boy she dated last year, with another girl.

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.

Mhog doesn't know how to feel when his father tells him he has a new female friend. Win continues to struggle with his addiction.

Thee is hurt when he finds out Phu and Toei are together. Pop's younger sister is a big fan of See Scape, and she seems to really like Tar.

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.

An older boy at school named Sun has a crush on Mali, and the feeling seems to be mutual. Jane considers becoming a drum major in the school band.

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.

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.

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.

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.

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.

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.

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

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.

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

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.