A woman's murder at a hotel leads detective Danny to discover a shocking DNA match to blood at the scene. A traumatized girl is found on the streets.
A youth at the shelter recognizes a photo of the murder victim, Annie Green. Gemma provides vital clues about the place where she was held captive.
Danny visits Joe Hanley's home and gets a surprise, and later encounters a prowler inside Selena's home. Jesse's DNA is found at another murder scene.
While investigating Simon's father's disappearance, Mark uncovers a dangerous lead. Brit's decision to confess to the police places her in harm's way.
Pru gets in trouble with her husband. The body unburied on Newman's property is identified. Mark learns more about the scam Selena was involved in.
Ally gets Danny's father to tell her where he hid the case files. Mark tracks down Alexa and learns the nature of her relationship with Kenton.
Mark's parents find a thief in their home. A book matching the one Jesse was carrying when he disappeared is found. Mark discovers he's being tailed.
Marosi offers to show where he allegedly buried Jesse's body. A postmark from one of Marosi's letters to Mark's father leads Danny to an accomplice.
The finding of the videotapes gets Marosi talking. Further DNA analysis uncovers a new suspect. The wearer of the smiley-face backpack is identified.
Frank tells Danny his side of the story, starting with the day Jesse disappeared. Ally learns how Jesse's DNA wound up at both murder scenes.