In Tuscany to promote his latest book, a middle-aged English writer meets a French woman who leads him to the village of Lucignano.
Vincent has an extraordinary ability: his strength and reflexes increase tenfold when in contact with water. To make full use of this gift, he settles in a region with many lakes and rivers, which is isolated enough to allow him to live a peaceful life. Then, one day, during an aquatic escapade, he encounters Lucie.
The former activist’s past finally catches up with him when a mysterious stranger appears at the bar, armed and wanting revenge. The appearance of a double, the depressed and solitary Dom, provides Boris’ cunning partner Kayoko and their faithful friend Tim with the perfect escape plan. But they haven’t accounted for Dom’s ex-wife, Fiona, a suspicious detective on their trail.
