"Two soldiers. A Pledge. The Adventure. Within the WWI trench, a French aristocrat officer, Calixte de Prampéand, and a Corsican soldier, Léon Matilo, make a deal. If they survive, they will turn into pirates and sail over the sea. Three years later, léon pays a visit to Calixte : there is business opening in arms dealing and I want you in. But beware, if you leave to gain your freedom, there is no way back..."