Michelle making an appearance at JD's surprise party only to be murdered later that night has everyone reeling. Forced to recount the night's events to the police, each partygoer has their own version of what happened. ...
Forrest and Callie have to face the consequences when Lauren catches them in the middle of a weed deal, and Forrest sacrifices what's left of his friendship with Lauren for leverage with President Dixon. Amelia, angry ...
Nick assumes command of AKA, and first order of business? Throw a party! Mason and Emily grow too close for Callie's comfort. James's new relationship doesn't settle well with Brock and Michelle, who handle it in their own ways. Light is shed on Jess's elicit activities and the mysterious organization known as the Rouge.
The Frat takes their gambling ring into baseball, and solicit Mason to guarantee that the house always wins. Mason only has one problem; his resident hall advisor Mallory is threatening him with his position on the team unless he leaves Emily. Emily deals with this ultimatum with an increased dependency on her pills. Already established campus bookies, the Rouge decide to stop the frat at whatever the cost, but will Michelle's relationship with Nick become a complication?
Sydney begins her investigation on Mallory's disappearance, leading her to Mason and Emily. Meanwhile, Sebastian grows closer to Mallory while the frat holds her captive. James learns of Samantha's shocking secret, which may tear the couple apart, and the Rouge releases plan X.
Sydney sets out to get to the bottom of the bomb set off at the Frat party. While Sebastian and Mallory are in hiding, the bomb survivors are dealing with the shock in his or her own ways. Tension grows between James and Samantha, but with Michelle in a coma, Nick and Jess are confronted with some tough questions. Emily's cousin Mercedes transfers to Beacon Hill and starts a support group for the victims, and while Mason is infatuated, Mercedes already has her eye on someone else.
Nick unveils his plans for the return of the frat, but with Sebastian and Mallory back out of hiding, Sydney snooping for her next story, and Michelle still in a coma, Nick's having trouble collecting the pieces. Meanwhile, Mercedes masterminds a double date while Ben helps Samantha balance motherhood and her relationship (or what's left of it).