Ephraim is horrified when he comes home from school one day to find his mother unconscious at the kitchen table, clutching a bottle of pills. Even more disturbing than her suicide attempt is the reason for it: the dead boy she identified at the hospital that afternoon - a boy who looks exactly like him. While examining his dead double's belongings, Ephraim discovers a strange coin that makes his wishes come true each time he flips it. Before long, he's wished his alcoholic mother into a model parent, and the girl he's liked since second grade suddenly notices him. But Ephraim soon realizes that the coin comes with consequences - several wishes go disastrously wrong, his best friend Nathan becomes obsessed with the coin, and the world begins to change in unexpected ways. As Ephraim learns the coin's secrets and how to control its power, he must find a way to keep it from Nathan and return to the world he remembers.