On the heels of their break up, Madison invites everyone to what was supposed to be Austen's birthday party. After Craig advises her to disinvite the birthday boy, Austen decides to show up anyway. Meanwhile, Kathryn struggles in her friendships with Danni and Madison Simon, who are determined to have it out with her once and for all. When they all gather on Capers, a private island with no way in or out except by ferry, what could possibly go wrong?