Mr. Mercedes

A serial killer uses a series of emails and letters to taunt a retired police detective.

Pete and Ida notice that Hodges is struggling; Deborah is worried about Brady.

Hodges and Janey dig deeper into Olivia's death; Hodges turns the tables on Brady.

Ida is hurt as Hodges and Janey grow closer; Lou is disturbed by an interaction with a customer.

The cat-and-mouse game between Hodges and Brady escalates; Hodges and Janey's mother talk.

Hodges struggles with the past as it concerns his daughter; Deb tries to make a change.

Hodges helps Janey through a difficult time; Hodges brings Jerome and Holly back.

Brady finds himself in a crisis of his own making; Holly and Jerome make a discovery.

Jerome and Holly talk with Hodges about their concerns; tensions rise between Brady and Robi.

Suspicions are confirmed when another victim is found; the police prepare for another massacre.