11-year-old Mildred's world is turned upside down when her estranged father, the washed-up magician Strawn Wise, comes to look after her and agrees to take her camping to find a mythological beast known as the Canterbury Panther.
When robotics engineer Gemma becomes the guardian of her orphaned niece, Cady, she thinks her new invention, a robotic AI, will be a good companion. However, M3GAN begins to behave in unexpected and shocking ways.
