Becky Green doesn’t want to be Becky Green anymore. And who could blame her? The protagonist of Chloe, now streaming on Amazon Prime Video, is a study in abjection. Played with protean inscrutability by Erin Doherty (The Crown’s Princess Anne), Becky works a demeaning temp job and lives in a shabby apartment with a mother (Lisa Palfrey) who’s sinking into early-onset dementia.