After Jay Leno's second retirement from the program, Jimmy Fallon stepped in as his permanent replacement. After 42 years in Los Angeles the program was brought back to New York.

The restaurant is dead in more ways than one. A huge party has canceled and dashed their hopes of a big holiday tip. Surviving the shift becomes much more than side work and a deep clean when a Karen, unhappy with her service, goes on a spree to murder the entire staff.