Maggie Lacey

Holmes and Watson team up with Sherlock's former Scotland Yard colleague, Gareth Lestrade, on a bombing investigation.

Lockhart & Gardner's future is at stake when a couple whose divorce was overseen by the firm accuses them of encouraging the breakup for financial gain.

After a pro-life loner stalks and shoots a doctor, the detectives surmise the gunman has another target in mind.

Dr. Jill Biden visits Fort Marshall to kick off the annual Fun Run; Denise's sisters come for a visit; Trevor's unit is in a dangerous situation; Chase works through his issues in therapy.

Maria becomes the target of an obsessive stalker after Abigail leads him on; David falls in with a dangerous group.

• DIRECTED BY JEREMIAH CHECHIK (Helix) • Maria discovers a strange gateway in her childhood home and ventures into its darkness in search of Grace, who has been lured to a terrifying underworld. There, just outside of Hell, lost souls await their fate as Enos’s demon army grows in number. When Grace questions the whereabouts of her mother, the answer opens the door to a shocking discovery about the past.