Mariana and Jesus compete in the First Robotics Southern California Regionals, but when Mariana gets too competitive under the stress, Lena grows alarmed. Callie gets a warning from the police…

Brandon travels to New York City for his Julliard audition and meets a girl who forces him to take a hard look at his life, including his relationship with Cortney….

Morgan, Sara and Fin try to relax at a forensics conference when a mass shooting occurs on site.

When a Navy captain is killed in a hotel room, NCIS must track down and protect his very pregnant companion from unknown assailants. Meanwhile, Jimmy has problems of his own…

The newly renamed Major Crimes Division investigates the death of a teenager that may be related to a planned massacre; the squad searches for a bomb before it can explode.