"Sore Must Be the Storm" (Season 1, Episode 6) of Mare of Easttown centers on the resumption of the Erin McMenamin murder investigation and Billy Ross’s confession to the crime, which is immediately cast into doubt. The episode highlights Mare’s personal trauma and emotional processing, setting the stage for the series finale. For a full recap of the episode, visit Vulture . Mare of Easttown Recap, Episode 6: 'Sore Must Be the Storm'