Mr. Mercedes

The murder of iconic local author John Rothstein devastates Hodges. When unpublished works of Rothstein's are suspected to be stolen from his home, Hodges launches an investigation.

As she is evaluated for mental competency, Lou continues to be haunted by Brady. Morris and Alma hatch a plan to recover their spoils.

Holly visits Lou ahead of her psych evaluation. Jerome accesses Rothstein's records and uncovers an unexpected connection to Ida. Hodges and Montez look into the death of Stan McNair. Morris and Alma are caught in the act.

Alma and Morris zero in on a suspect. Jerome continues to make strides in the Rothstein case. Hodges shares his guilt over Lou's current situation with Ida. Lou's trial officially begins, and she has some suggestions for Finkelstein.

Lou's trial continues in earnest. Bill is called as a hostile witness for the prosecution and complicates matters. Holly and Finkelstein draw closer together whilst Morris closes in on Peter. Alma destroys her incriminating evidence. Both Lou and Bill converse with their respective personal ghosts.

Alma gives Pete a scare and instructs Morris to do the same.Pete revisits the local bookstore. Hodges and Jerome fear for Holly ahead of her taking the stand.Finkelstein tells Lou that she must silence Brady. Holly and Lou deliver powerful testimony.

Jerome discovers a connection between Alma and Rothstein. After an attempt by Morris fails, Alma pays a visit to Second Story Books. Hodges visits the Saubers family and confirms their worst fears about Pete. Lou learns her fate.

Holly takes on a questionable roommate; after receiving an unexpected visitor, Ida seeks advice from Hodges; Alma and Morris decide they need more leverage.

Hodges and Jerome have a breakthrough in the Rothstein case; Holly gets a strange inheritance; Morris makes a frightening discovery.

Hodges gets an unexpected call. Pete has a plan, and Morris starts to feel the heat.