Owen makes a decision about his future; Tommy receives devastating news; T.K. and Carlos worry about adopting Jonah; Mateo gets his immigration status threatened after an altercation; a doomsday prepper gets trapped in a bomb shelter and The 126 and all of Austin brace for an asteroid crash.
The BAU investigates a serial rapist who had been attacking young women at religious schools and stopped for six weeks.
When a woman is found dead in her car, the investigation leads to New York Mayor Robert Weldon (Derek Webster), one of Castle's longtime friends.
A marine goes missing after a date with a reporter. During the investigation, the team discovers that three former members of his unit are dead and suspect the unit commander to be a serial killer.
Lynette tries to talk her mother out of marrying an obnoxious man; Bree runs into Keith's ex-girlfriend and makes a shocking discovery about his past; Carlos starts to worry about Gaby's obsession.
