Rush and Young investigate an abandoned alien craft which is just outside the Destiny. While they do this, the crew onboard the ship find the bridge and discover that Rush is responsible for the countdown clock not activating when the ship emerges from FTL.
A building explodes while Patrick Jane and the team are investigating a death threat; Libson once again runs into billionaire Walter Mashburn (Currie Graham).
Claire and Haley are stuck at home sick. Gloria and Manny’s surprise visit at work causes a headaches for Jay. Cameron is swept up by all the lights and cameras when he goes behind Mitchell’s back and takes Lily for a commercial.
Frankie and Mike are speechless when, on his ninth birthday, Brick demands to hear the true story about the day he was born, which has remained a mysterious Heck family secret. Meanwhile, Axl’s new manager at the movie theater turns out to be a conundrum – hot and dumb – which leaves a confused Axl wondering if her hotness trumps her incompetence.
Young is plagued by mysterious dreams where Destiny is destroyed by alien attackers no matter what he does.
An « Officer Down » call turns out to be a male stripper dressed like a cop. Castle and Beckett explore the world of male strip clubs and struggling actors, all people in pursuit of fame. They need to determine if the murder was because of the victim’s dreams of stardom or something more sinister.
Frankie is excited over being invited to an adult neighborhood Halloween party. But will she be able to get Mike to dress up in a costume, or will he have his own idea of fun? Meanwhile, a melancholy Sue’s spirits are lifted when she discovers that Reverend TimTom is back in town and hosting a Halloween church event; things don’t go quite as planned for Axl, his friends or their dates as they head out to an exclusive haunted house party; and Brick chooses a unique Halloween costume that is not easily defined.
Alicia and the partners must decide whether to take on the case of a VIP massage therapist who accuses a Nobel Peace Prize winner of sexual assault. Peter and Eli try to figure out what Wendy’s candidacy means for their campaign.
When a beautiful woman is found dead in an alley, all clues point to her being a victim of the notorious Triple Killer. The Triple Killer, or 3XK, terrorized New York City four years ago, then mysteriously disappeared. Now he’s back. In a deadly battle of wits, Castle and Beckett race against time to stop 3XK before he claims his next victims.
Marshall and Lily try to figure out how to conceive a baby with the gender of their choice; Robin’s perky new co-anchor irritates her.