Reclusive author Aggie Wiggs' life is upended by the arrival of wealthy, arrogant new neighbor Nile Jarvis — who quite possibly murdered his first wife.

Still reeling from shock over the news, Aggie shares her suspicions with Brian and approaches Nile with an intriguing proposal.

As Aggie delves deeper into Nile's past, she pushes Brian to use the information she's getting. Nina takes an interest in Shelley's work.

Aggie interviews Madison's parents about her disappearance. Nile and Martin take aim at the City Council. Brian enlists help to crack the hard drive.

Nile and Aggie cross boundaries with a drunken heart-to-heart, rousing Nina's suspicions. Martin and Rick conspire to make waves at Olivia's rally.

Anxious to share her latest discovery with Brian, Aggie unexpectedly uncovers an even darker truth. Nina receives surprising news.

In 2019, a complex web of suspicion and betrayal forms between the Jarvises, Nina and Brian, and the truth behind Madison's disappearance is revealed.

Backed into a corner, Aggie must use all her wits to keep her world from crashing down — and place all her trust in an unlikely ally.