Nina Rausch

The mother of an abducted child works with the BAU in Seattle to identify a serial killer who kidnaps, murders, and embalms his victims.

When the NCIS team investigates a marine sergeant's tragic fall from a building, her doctor, Grace Confalone (Laura San Giacomo), confides in Gibbs and suggests he treat it as a murder investigation. Also, Torres searches for a place to live.

A deadly explosion takes place at a charity event sponsored by the military.

Relationships are tested as Valentine’s Day comes to the prison. Poussey questions Taystee’s alliance with Vee. Piper makes a bold proposition to Healy.