Zach and his sister Annis, uprooted from their comfortable home to a remote and half-built barn in France, are just trying to keep everything together. When Zach enters a dangerously derelict building nearby, the tottering wall falls and buries him. As Annis races towards him, unbelievably, Zach moves. How could he have survived such a terrible accident? It seems to be linked to the boy who appears out of nowhere and starts shadowing Zach, silently but insistently drawing closer and ever closer - container.