A young man transmigrates into the body of a 62-year-old man named Wu and discovers that he is plagued by various illnesses and has little time left to live. However, a system unlocks a new skill. The old man, who used to make a living collecting rent, now gains extra lifespan by surprising his female tenants every day. Thus begins Uncle Wu's journey of surprises with his three female tenants, as he constantly comes up with new ways to astonish them every day.