The team realizes they have a cross-country serial killer on their hands; the case has ties to Isobel's father, Robert, and his hotel, leading to revelations about their fractured relationship.
- Directed by
- Lisa Robinson
- Written by
- Heather Michaels
Guest stars
All episodes — Season 4
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S4 E1All That Glitters (I)
Sep 21, 20217.443 min
After a young woman is killed on her way home from a lavish yacht party, the team investigates who she was and how she came to be at the event, which was attended by some of the most influential people in the world. Also, Maggie brings Cros
S4 E2Hacktivist
Sep 28, 20217.643 min
Maggie, OA and the team must stop a hacker who is disabling life-saving equipment in several New York City hospitals. Jubal's son waits for important surgery at one of the impacted hospitals.
S4 E3Trauma
Oct 5, 20217.342 min
The team finds a connection between bombings and a private veterans' club in New York City; Isobel tells a reluctant OA to recruit a former Army buddy for intel.
S4 E4Know Thyself
Oct 12, 20217.141 min
The team hunts for a serial killer who is targeting young, homeless men. Also, Tiffany and Scola don’t see eye to eye on how to handle the case or the difference between partners and co-workers.
S4 E5Charlotte’s Web
Nov 2, 20217.142 min
After a suburban woman is kidnapped from her home, the team looks into trysts on both sides of a seemingly perfect marriage. Also, OA feels pressure from Mona to make changes in his career path.
S4 E6Allegiance
Nov 9, 20217.441 min
The team must track down a shooter targeting detectives from the same precinct and unit, while facing mounting tension from the NYPD. Also, Tiffany finds that her NYPD roots may be influencing her view of the situation.