After three long years, 'Severance' returns with a knotty Season 2 that's as impressive for how much it untangles as it is for what it refuses to.

The characters on "Severance" - at least, the "innie" versions of them - don't experience time like the rest of us. Innies exist only on a subterranean floor in the headquarters of Lumon Industries, a company that splits some employees' consciousness into a work self and a not-work self.

Lumon employees grapple with newfound information about their alter egos in Apple TV+’s striking, superlative series