Gabe finds evidence of a mole on this installment of Beauty and the Beast.

Evan gives up his evidence of Vincent to Muirfield.

Tess tries to get used to Cat and Vincent.

Evan gets himself put into the drunk tank so he can talk openly to Cat about Vincent.

Even also wants to make sure that when Muirfield gets Vincent she won't be with him.

Muirfield picks up Vincent while Vincent and Evan are arguing over Cat on a train.

Tess and J.T. make a great team.

Evan figures it all out and goes to Vincent in the lab. They talk.

Cat arrives and get Vincent out of the cage.

Muirfield dude shoots Evan.

Cat won't leave without Evan.

Evan tells Vincent not to tell Cat about her parents, and ensures he knows about them.

Evan sacrifices himself for Cat and Vincent to escape.

Gabe is shaking in his office when Cat shows up.

Evan sent an email from him phone the night before that he was the mole. Cat is safe.