Laura and Nico try to stop the serial killer she believes means to kill Serena, but Laura also learns more about Nico’s disturbing past. Meanwhile, Tom has secrets of his own and is worried that Laura will find out.

Laura is suspicious that Tom is lying to her, so she enlists Nico to follow him. Also, Laura and Nico go back to Spanish Harbor to investigate how their fates are intertwined.

Laura and Nico take off for Spanish Harbor to track down the identity of the killer. Tom, desperate to get Serena back, sends the police after them. Also, a witness leads Nico to confront Danny, who reveals the shocking truth about Susannah’s murder.

Laura convinces Nico that they need to find the fourth man from the tattoo photo; while doing so, they learn more about the case 10 years ago against Danny. Also, Laura gives Tom a chance to explain his actions and must decide whether she – and Serena – can trust him.

Betrayed by Tom, Laura learns that Serena is at the TV station and fears her daughter will suffer the same original fate. Meanwhile, Nico tries to get his hands on evidence that could help save his brother.

Tom comes to Laura with his own plan to save Serena, but a double-cross turns deadly, and the identity of the real killer is exposed. Meanwhile, with Danny’s execution just hours away, Nico and Laura have to race to try saving him and Serena.