Michael Graziadei

A woman's body is stashed in a laundry-room dryer in an upscale apartment building where she was a nanny; Castle tries to get inside Beckett's head while writing the first novel in his Nikki Heat series.

Bobby meets Athena’s parents for the first time and Maddie attempts to end her marriage for good, causing Doug to insinuate himself even deeper into Chimney’s life. Meanwhile, a tanker carrying a tiger shark crashes on the freeway and a gas leak in a plastic surgeon’s office happens mid-surgery.

Rossi, Hotchner and their team go to Miami to catch a serial killer whose conflicted sexual identity fuels his crime spree; J.J. meets a former colleague who ends up being more than a friend.

Gibbs and his team are called to investigate when the grisly remains of a Marine ordnance specialist are found.

Halstead goes undercover to stop an ex-military kidnapping crew from killing an innocent child.

Vivien and Violet find themselves in a dangerous situation eerily similar to a past event. Ben goes back to Boston to fix a mistake.