A twist of fate allows a local news producer named Laura to relive the week prior to a string of murders; Laura learns that changing fate will require an ultimate sacrifice.
Determined to prevent a murder, Laura teams up with Nico -- a former cop -- to search for the killer's next victim.
When Laura and Nico set a trap for a serial killer, it puts both of them in danger; Tom worries about Nico and Laura's partnership.
While working with Nico to try to stop the serial killer she believes is trying to kill Serena, Laura learns more about Nico's disturbing past; Tom worries Laura will discover his secrets.
Laura suspects Tom is lying to her, so she asks Nico to follow him; Laura and Nico go back to Spanish Harbor to see how their fates intertwine.
Laura and Nico set out to track down the killer; Nico confronts Danny, who reveals the truth about Susannah's murder.
While searching for the fourth man from the tattoo photo, Laura and Nico learn more about the case against Danny from 10 years earlier; Laura gives Tom a chance to explain his actions.
Laura learns that Serena is at the TV station and fears her daughter will suffer the same original fate; Nico tries to get his hands on evidence that could help save his brother.
Tom shares his plan to save Serena with Laura, but a double-cross turns deadly, and the identity of the real killer is exposed; Nico and Laura race to save Danny and Serena.
As Laura and Nico discover the reason for the vast conspiracy, they race against the clock to save Serena and Danny.