Part 1: Ji A gets reminded of what happened 20 years ago, but this time with a boy whose face she can't see. Later, Ji A and In Bum head back to the sauna to perform the exorcism. They successfully get rid of the restless spirit, and after, In Bum's conscience tells him he needs to do something about the murder. Part 2: Although Ji A tells In Bum to forget what his conscience tells him, she decides to help him and confronts the building owner's wife, the murderer. After doing a bit of research, they decide to tear down a wall in the basement they think she hid the body behind. Meanwhile, Hwa Jung learns that the nephew of Oh Sung Sik, the case from 20 years ago, is Oh In Bum but doesn't tell Ji A. (Source: Viu)