The film presents “Sébastian” (George Babluani), whose roofing job turns out to be less risky than what he encounters next. While working, he discovers a note placed on his wheelbarrow—the circumstances of which are known to the story but not to him initially. This discovery kicks off a series of events involving a locker, a train ride, and an encounter with some shady characters who force him into a high-stakes game…