Annalise gathers signatures for her class-action lawsuit with Bonnie is on her trail as their origin story is revealed. Michaela recruits Oliver, while Asher becomes uncomfortable with her work hours and Frank questions Laurel.
Bonnie's suspicions about Annalise's big case drive her to surprising lengths to get answers, while flashbacks reveal the genesis of the two women's long and complicated history. A flash forward reveals the shocking whereabouts of one of the Keating 4.