The first installment follows a young mother who, when overcome by an inexplicable fit of rage, commits a startling act of violence and to her horror has no idea why. The event launches an inverted and utterly surprising crime thriller whose driving force is not the "who" or the "what" -- but the "why" -- as an investigator finds himself obsessed with uncovering the woman's buried motive. Together they travel a harrowing journey into the depths of her psyche and the violent secrets hidden in her past.

A housewife stabs a beachgoer to death, which sparks an investigation and creates confusion in a small town.

Cora tries to block Ambrose's investigation; Mason struggles to come to terms with secrets from Cora's past.

Ambrose uncovers a secret about Cora that changes the course of the investigation; Mason takes matters into his own hands.

Cora tries to recover missing memories with Ambrose's help; Ambrose discovers a new suspect.

After the discovery of a body in the woods, more questions arise.

When Ambrose begins to waver, Cora convinces him to take a risk for the case.

Cora finally remembers the night in question.

Cora's fate is determined.