Following an active shooter lockdown at a naval hospital, the NCIS team searches for a suspect who fled the scene. Also, someone from Sloane’s past was inside the hospital and is a key witness in the case.

Brian McNamara, Brian Oblak, Charlotte Evelyn Williams, Elayn J. Taylor, Jennifer Carta, Kate Hamilton, Kyle Grossmeyer, Merrick McCartha, Roopashree Jeevaji, Sam Daly