Two travelers undertake the construction of a gigantic bridge in order to cross a gulf blocking their way.

Max leads a good life with Alice and their son Théo; that is until Alice is threatened with death while waiting for a heart transplant. Max promises Théo that he will save Alice, but to keep his word he must find a heart, and fast. Since time is running out and he must find a solution, Max decides to reconnect with his troubled past. His decision will change his life in ways he could never imagine