George Édouard is a night guard at the polytechnic in Montreal. In another life, he was a rapper. The only other person he meets during night is a PhD student in physics, Audrey. In another life, she wanted to be a dancer. They often meet to talk about music and science. One day George Édouard’s long-lost brother René returns home after having attended an exorcism. A ghost of the earthquake in Haiti has haunted him ever since. George Édouard refuses to believe in it all, but Audrey convinces him to keep an open mind. Together, all three must face the various convulsions of their past and determine where their point of equilibrium lies.