Elsie and Ben's whirlwind romance is electric – within months they're married and living happily ever after – when Ben's unexpected death forces Elsie to come face to face with Susan, the mother-in-law who doesn't know that she exists. Told through a dual timeline, the series recounts Elsie and Ben's once-in-a-lifetime love, intercut with Elsie and Susan's unexpected journey as their at first turbulent connection ultimately brings both women cathartic new beginnings.