The team reaches California and thinks back to the beginning of the zombie apocalypse.

Briscoe and Green are assigned to a case involving an eccentric comedian who may have killed his young son by dangling him off a ledge.

The investigation into how a teen got wounded leads to a case involving a young woman’s murder and a drug operation.

The death of a show horse leads to a trial involving insurance fraud, a sting operation and a wealthy woman’s disappearance.