The BAU team searches for a serial rapist in Houston known as "The Piano Man" who has resurfaced and is assaulting his previous victims. Also, Prentiss tries to come to terms with her trauma from last year and with rejoining the team.
Jane and the CBI try to find the killer of a young man found burned to death outside a cabaret featuring female impersonators.
Jane and Fischer investigate a murder at an oil fracking site, while Rigsby and Van Pelt travel to Austin to reunite with the team and help investigate suspects in the string of attacks on former CBI team members.
When Grace is kidnapped by the killer who has been hunting former CBI members and the prime suspect appears to have an airtight alibi, Jane must rely on all his skills to locate her before time runs out.
After a convicted felon swears the NCIS agency framed him for murder a decade ago, Gibbs begins his own investigation, starting with a new autopsy by Ducky.
