Poppy enlists an unlikely ally in her hunt. The events of Halloween 1999 are revealed.

Poppy zeroes in on her new suspect, and Warren makes a fateful decision.

A devastated Poppy tries to walk away from the case, but it won't let her go.

Poppy continues building her new case, while Warren faces repercussions for his actions.

Poppy and Markus trace their prime suspect's movements on the night of the murder.

Identifying a new suspect has unintended consequences in Poppy's personal life.

Markus drops a bombshell about a potential suspect's motive. Warren gets a visitor.

While reviewing an old case, Poppy comes face-to-face with the man she put away.