'Duplicate' is a twisty, mind-bending Freudian-fuelled science fiction story about a man who shares his body with his twin brother, stabilised by an experimental deep-brain stimulation device. Living a comfortable balanced life with each other, they manage to keep their condition a secret from everyone. At least until one of them wants more and starts an undisclosed relationship with a woman. 'Fight Club' meets 'Eternal Sunshine of the Spotless Mind' meets 'Black Mirror', 'Duplicate' is an engaging and pacey physiological thriller starring Ansel Elgort, Patricia Clarkson, Matt Bomer and Suki Waterhouse.
