The squad is left at ends when Lake is caught in a gunfight and later takes a witness hostage.

Kyle begins to suffer mental problems after taxing himself to the limit, and Jessi attempts to use Kyle's ailment to her advantage.

Kevin and Scotty make a commitment to be life partners; Saul finally comes to grips with his identity in a public way; the family discovers that William kept yet another painful secret from them.

A human is killed by a vampire in the heat of passion, causing Mick and Beth to face the ultimate consequences of a vampire-human relationship. The investigation of the murder puts Mick and Josef's secret identities in jeopardy, forcing them to join forces with the other vampires in Los Angeles to keep their secret safe.

A pregnancy scare has Charlie heading to the doctor for a vasectomy.

Don investigates the murders of two young women found in their cars outside their homes. Their deaths were made to look like drug overdoses, but Don realizes a serial killer is responsible. Meanwhile, Charlie is having bizarre dreams about his parents. In one dream, his deceased mother appears and tells him he has a question to ask her, but he can't imagine what it could be.