Jenna begins her senior year determined to make a fresh start, but she experiences major humiliation at home and in school. Also, her lingering feelings for Matty challenge her resolve to avoid boy drama and focus on school.
Jenna struggles to communicate with Matty, thinking that his remoteness is about their recent hookup when it is actually about a big discovery he is keeping to himself. Meanwhile Tamara questions Jake's musical talent.
Jenna and Tamara have found formidable rivals in the form of the "Sophomore Sluts" for the Spirit Week title, and, more importantly, for Matty and Jake's attention.
Jenna and Tamara go on their first overnight college visit, but the outcome is not what they expect. Meanwhile, Lacey craves a college experience of her own and a party at Matty's creates new rivalries and romances.
Jenna's got a new college romance, but can't escape the high school drama while stage-managing a male beauty pageant. Meanwhile, Tamara grows more desperate in her attempts to win Jake back.
What is planned as an amicable group outing devolves into the night from hell, during which Jenna, who has set Matty and Eva up on a date, realizes that she still might still have feelings for him.
In the wake of her fight with Matty, Jenna decides to visit Luke at college, but her plans for a romantic evening go awry. Meanwhile, Matty and Jake spend a night in jail and Tamara has an unexpected hookup.
College apps are due and Jenna and Tamara must face the possibility of their separate futures, while Eva plots her own path to keep Matty and Jenna on the outs.
Sadie discovers the truth about Eva and tries to open Matty's eyes with Jenna's help. But Eva comes forward before they do it and she also has a big surprise.
Jenna's plans for a quiet New Year's Eve go awry and evolve into a rocking rager at Ally's house, where everyone gets a taste of something (or someone) new.
Jenna receives a rejection that burns her up inside and has her heading for a meltdown, while Lissa's family's "Hell Tent" takes revelations to a whole new level.
The annual senior 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 once again when Jenna and Tamara's Dude Database goes viral and reveals a secret that causes friction in their own friendship.
Valentine's Day is looking bleak in the aftermath of PHHS' battle of the sexes, so Jenna takes it upon herself to bring sexy back with a rented party bus.
Matty's 18th birthday pits Jenna against his new girlfriend Gabby, while Sadie and Tamara's battle for cheerleading dominance yields some very unexpected results.
Jenna tries to keep everything in balance, but the stress of college applications and boy drama leaves her final Spring Break on the verge of falling apart.
