A commercial airplane pilot is blackmailed by his country's intelligence services to carry mysterious suitcases on his trips to Spain.

賽巴斯，三十歲單身漢，有一隻八歲的愛犬相伴。只要他不在，狗狗就會頻頻哀鳴，引起鄰居抱怨，他只好帶著狗去上班，卻因此被公司開除，只能靠打零工度日，過著流浪犬般的人生。當神祕隕石撞擊地球，空氣被污染，離地一百二十公分以上的人…