The team invesigates the disappearance of a man who vanishes on his way to the bank to deposit the takings from his wife's salon. Meanwhile, Danny tries to avoid getting caught up in family drama, and Martin prepares to re-rake his firearms qualifications test.

When Martin's aunt, who has been battling cancer, goes missing on the way to visit a friend, Martin enlists Sam to help him look for her. Meanwhile, Jack attempts to reconcile with his father, who has recently been diagnosed with Alzheimer's disease.