-A young woman falls to her death from a balcony, onto Dog the Bounty Hunter's car.

-Tests reveal that the woman was drugged before she fell. Clues lead the gang to discover that she was secretly a member of a local roller derby team.

-Catherine goes undercover on the team to catch a killer, who is revealed to be the coach--actually an ex-con who was drugging members of the team and taking pornographic photos of them without their knowledge.

-During a big game, the coach tries to assault team member Crimson Bride, and Catherine kills him.

-Doris is robbed of her CIA files, by someone who knows about her past.