When a family is poisoned in their home, the team discovers a connection to the Becks. Ruzek goes undercover to work for their business and as he gets closer to Samantha, chilling information about her father, Richard, comes to light.

As the team investigates a convenience store robbery, the evidence leads them to an unusual pair of suspects, revealing a dark personal drama and another potential victim. Burgess slowly makes strides tackling her past trauma.