Sam finds out that his father was unfaithful to Sam's mother for 28 years.
A call girl with a high-class clientele is murdered and Brenda and the squad is put on the case.
A religious sect member capable of changing gender becomes the prime suspect in a murder spree.
Sabrina realizes the importance of her Quizmaster after she inadvertently gets him fired.
Catherine and Nick investigate street racing after one of the drivers is found dead out in the desert at an abandoned airstrip. (TV-PG)