BH90210 focuses on the original cast members of Beverly Hills, 90210 — Jason Priestley, Jennie Garth, Ian Ziering, Gabrielle Carteris, Brian Austin Green, Tori Spelling, and Shannen Doherty - playing heightened, fictionalized versions of themselves. Having parted ways 19 years after the original series ended, they reunite to get a reboot up and running, and must reconcile their new lives with the complications of their histories together.