Adam borrows Callie's car and allows it to be stolen. He decides to surprise her with a new one and asks the guys to help get the best deal.

Mike hosts a barbecue to celebrate Lisa's promotion; Adam has proximity issues with his daily business; Callie's sister is an emotional mess and looking for relief.

Callie's sister is driving Adam and Callie crazy, and Callie has Adam get her a job where he works. Predictably, the situation worsens when she starts fooling around with Adam's boss. Ethan saves Lisa's life, and Mike seeks a way to pay him back.