Zoe and Dan investigate two brothers for the murder of their parents. Stephen joins a new strike force hunting for the serial killer.

When a dead body is found in a beach pool, Dan and Zoe uncover a web of adultery and deception. Zoe struggles with her feelings for Dan and her engagement to Kristof.

Zoe investigates the mysterious death of a young woman on the beach. The hunt for the serial killer is thrown into chaos when Dan's girlfriend is murdered.