Rivalries and romances all come to a head on the Palos Hills High School senior ski trip.

Sadie and Jenna team up to reveal Eva's past to Matty.

Jenna struggles with her parents' separation. Feeling responsible, she tries to absolve herself by attending a church camp.

Jenna prepares for her first Valentine's Day with a boyfriend; Jenna and Tamara are jealous that Matty and Ricky seem to be moving on.

Jenna's plans to sleep with Jake are hindered by Aunt Ally's wedding, someone from her mother's past and Sadie.

Jenna's imagination runs wild as she fictionalizes her blog in an attempt to change her fate.

When Matty moves in with the Hamiltons, Jenna discovers that cohabitation may be more than she bargained for.

Jenna tries to communicate with a distant Matty; Tamara questions Jake's talent for music.

Jenna and Matty try stay friends and have sex, but Jenna find the arrangement unbalanced.

Jenna and Tamara compete with sophomores for the Spirit Week title and attention from Matty and Jake.

Jenna decides to visit Luke at college; Matty and Jake spend a night in jail; Tamara has an unexpected hookup.

Jenna and Tamara view the possibility of separate futures; Eva plots to keep Matty and Jenna ousted.

Jenna tries to keep everything balanced, but with the stress of college applications and boy-related drama, her final Spring Break is not much of a respite.

The death of classmate will leave Jenna to reflect on loss, grieving, and taking responsibility for a secret she's keeping from Matty.

The ghosts of Jenna's past reveal themselves along with Jenna's insecurity as Halloween hits Palos Hills.

Jenna's first date to the Homecoming dance conjures up old feelings of guilt for the girl she used to be and the girls who don't have dates.

After a late night coffee with Collin, Jenna can't stop thinking about him and what it means to have a crush as well as a boyfriend.

Jenna is determined to make a fresh start; lingering feelings for Matty harden Jenna's resolve.

Jenna and Tamara go on an overnight visit to a college; Lacey craves a college experience; Matty has a party.

An amicable group outing devolves as the night goes on; Jenna realizes that she might still have feelings for Matty.

Jenna tries to focus on her finals after the senior ski trip, but aftershocks from the revelation threaten her chances.

Although Jenna wants to have a quiet New Year's Eve, plans go awry and she ends up at a party at Ally's house.

The annual season bonfire becomes a powder keg when Jenna and Tamara find the boys' girl-rating tradition known as the Phone Book and announce it to the school.

The battle of the sexes erupts again; Tamara and Jenna's "Dude Database" goes viral; a revealed secret causes friction between Jenna and Tamara.

Jenna hires a party bus for Valentine's Day.