In a crime that terrified a community, Kelly and Tonya Rider investigate the tragic stabbing death of an elderly woman in her own home just one week after she buried her husband.

A gas incident threatens to disrupt the Cali-government deal and Jorge is asked to help out. Peña grapples with his former Los Pepes connection.

Travis impresses Ruth with his business savvy, Olivia introduces a new delicacy to the dispensary, and Pete gets an otherworldly visitor.

An unlikely ally helps Hiccup uncover Singetail behaviors that can be exploited to conquer the Flyers. An overconfident Krogan makes a strategy error.

The Mysticons travel to Em's hometown, a dwarf mining town under attack by Dreadbane.

The room auditions continue.

The queen suspects that her husband is attracted to another woman, and discovers that she is pregnant with a second child - leaving her concerned that motherhood will dominate her life and reign, at the expense of any other possibilities. Below stairs, new dresser Cleary thinks that the palace is haunted, but Brodie believes there is a natural explanation for the events that have frightened her.

Robin gets key information from a salesgirl at the boutique Lula visited. Strike arrives just as Robin tries on a stunning green dress and he awkwardly averts his eyes as he explains his CCTV breakthrough - that a man left Lula's wearing a Guy Somé hoodie.