The story takes place 18 months after the events of the first film. Alice Kingsleigh (Mia Wasikowska) is on a mission to find the Chronosphere, a powerful device that can heal her ailing mother. She teams up with the Mad Hatter (Johnny Depp), Tweedledee (Matt Lucas), and Tweedledum (Matt Lucas) to sail across the ocean and retrieve the Chronosphere before it falls into the wrong hands.