承博趕時間外出，突然發現自己仍身處在家中。他本性善良，但卻經常不小心做出傷害他人的事情，並因涉世未深而沒有及時道歉。一把神秘的聲音帶領他重新面對過去的過失，並發現了自己仍身處家中的背後原因。最後他更需要作出關乎生死的抉擇。

Cheng Bo went out in a hurry, and suddenly found himself still at home. He is kind by nature, but he often accidentally does things that hurt others, and he doesn't apologize in time because he is not deeply involved in the world. A mysterious voice leads him to revisit past mistakes and discover why he's still at home. In the end, he needs to make a choice about life and death.