Geoffrey Cantor

Elizabeth struggles with the Chinese foreign minister as she lobbies for the release of environmentalists arrested on suspicion of being spies.

Tony hits an unlucky stretch. A.J. makes a life-changing decision. Vito's widow Marie turns to Tony for help.

Erin's nephew, police officer Joe Hill, becomes aware of witness tampering in a trial; Baez forces Danny to help her find the killer of her favourite TV personality; Eddie questions her decision to become a police sergeant.

When Morland offers to help get Joan and Sherlock reinstated as consultants to the NYPD, Sherlock questions his father's motives. Joan works with the FBI during the investigation of a triple homicide.

Bull helps a doctor who illegally purchased a marijuana-derived oil to treat her patients, but the case gets complicated when she is arrested for having intent to distribute.

When the president of a prominent university is killed, the detectives are left with a handful of suspects all with a motive.