A sudden car accident leaves single mother Lin Wan to raise her son Xiaoyu alone. Her already difficult life is completely broken by strange phenomena that appear every night. The son was the first to realize that the ghost wandering around his home every night was actually the ghost of his long-dead father. Between fear and disbelief, the mother unexpectedly uncovered clues that her husband had cheated on her before his death. When her heart was broken, her husband's ghost did not harm them. Instead, it guided them time and time again to find insurance policies and suspicious receipts hidden at home. Warnings, following, and pursuits followed one after another.
