Tyler confesses the details of his involvement with Dimato to Brennan - carefully leaving Paige out of it. Brennan feels betrayed and angry that he and Tyler have actually been working against each other for months. He arrests Tyler and takes him to the station. Aaron wants Brennan to soften his stance and act as a brother as well as a cop. But hurt Brennan maintains his hard line.

Paige is shocked that her mother has gatecrashed her 21st birthday party. After some awkwardness, Mary offers to pick up the bill for the night and Lauren and Brad have to fight to claim their right to pay for Paige's party. Brad sends Terese home so he can stay with Lauren to comfort Paige, and Terese is left out in the cold again.