Holmes and Kitty investigate the murder of a postal store owner whose death is connected to the illegal diamond trade. Meanwhile, Gregson’s career is placed in jeopardy when he hits…

Holmes and Watson find themselves on the hunt for a serial killer after a murder rocks their inner circle. Also, Holmes’ neurological recovery regresses and his sobriety wavers as his…

Holmes and Watson enter the world of nuclear security when they investigate the murder of an ex-Yakuza gang member. Also, Captain Gregson is blindsided by a stunning personal confession from…

Nora goes to New York for the second annual Departure Related Occupations and Practices (DROP) conference, but discovers that someone else has her ID badge, so she searches the convention…

Wendy facilitates a deal that hinges on a meeting between Chuck and Axe.

Axe unceremoniously disappears. Chuck intensifies his investigation.

Erin finds it hard to deal with guilt after a man she set free is suspected of killing a policeman. Frank and Mayor Poole clash over Frank’s reappointment as commissioner.

When a woman claims that the baby she kidnapped is hers with a respected legal expert, the investigation changes the lives of two families.