Mustafa Shakir

A death row inmate is felled by an unknown disease and House decides to take on the case, over Cuddy and Foreman's objections. Meanwhile, he also copes with Stacy who is working closely with him, and Cameron has to cope with a dying patient.

Callen and Sam search for a retired assassin they encountered on their first case together, who is now a murder suspect.

Painful memories come flooding back when a gruesome copycat murder leads to the reopening of a case for Wade.

As Rush probes old evidence files in present-day Philadelphia, flashbacks transport the viewer to the time and place of the original crime.

Hours before retirement, the defence calls Detective Box to the stand. At Rikers, Naz's discovery has fatal consequences.