A janitor in Warsaw stumbles upon a time-traveling device in his apartment and gets stuck in the past while the woman he's been seeing looks for him.

东海嘉措，在中国摩托车旅行的圈子中一个神奇的存在，一个人、一辆摩托车、一架无人机从2017到2018飞跃春夏秋冬，穿越千山万水，寻找高原上的这份幽静。