Ringer is a psychological thriller series that follows the story of Bridget Kelly, a recovering addict who assumes the identity of her wealthy twin sister, Siobhan Martin, after Siobhan mysteriously disappears.
As Bridget tries to navigate her sister's glamorous life, she soon realizes that Siobhan's world is filled with dark secrets and dangerous enemies. With the help of Siobhan's husband, Andrew, and her best friend, Gemma, Bridget must uncover the truth behind her sister's disappearance while keeping her own identity hidden.
As the series unfolds, Bridget finds herself caught in a web of lies, deceit, and betrayal, as she discovers that not everything is as it seems. With each episode, the tension builds as Bridget races against time to unravel the mystery of Siobhan's disappearance before it's too late.