Shelby Corcoran returns to the halls of McKinley High. Meanwhile, Mr. Schuester initiates a boot camp for some of the members of New Directions.

Worf, Dax and the Klingon Dahar master Kor set out to find an ancient lost relic: the Sword of Kahless.

During a training exercise, a marine’s parachute fails to open and he crashes into a parked car where two teenagers were making out. The NCIS team heads to the scene…