Mary Stein

When Sal's Pizza, one of Jake Peralta's favourite haunts, burns down, the fire marshal assumes that the owner is the prime suspect in the investigation. Outraged, Jake does everything in his power to prove him wrong.

When Data learns of his own death in late 19th century San Francisco, a freak accident transports him back to that period.

Blaine tries to pull the New Directions' strings when he comes up with a plan to win Nationals. In New York, Kurt's band, Pamela Lansbury, gets its first gig which they want to be perfect.

Addie's eighth grade life is a well-oiled machine until Jolene, who's from Addie's former all-girl band, gets kicked out of St Agnes, and transfers to Rocky Road. Addie's life is turned upside down, so she plots to get Jolene kicked out of school.

Betty struggles with the truth about Kent, and Jack and Paco identify the corpse found in the floorboards, which leads them to a huge discovery.

Al and Griff lose their jobs before the holiday season, while Bud and Kelly attempt to make some all important money for Christmas.