Evocative and provocative, this offbeat saga traces the twists and turns in the life of Neil Clarke (Simon Pegg) a disillusioned schoolteacher, who feels helpless against a flawed system.
At this critical juncture in his life, he suddenly finds himself bestowed with unlimited powers by a group of aliens, who watch him from space. As Neil Clarke learns to use his abilities to do whatever he wants, make all the changes he wishes to see, he also realises that his actions have tremendous and profound consequences. Calling upon Dennis (Robin Williams) is best friend and his loyal canine companion for assistance along the way, he must find a way to use his powers for the greater good.