The team is in a village where young children are sacrificed as part of the yearly River God Festival, however, the ceremony starts 7 days before the actual festival. They find that the “child” sacrificed, was actually a covered up pig. As they sleep for the night, Jiu Shi’s baby doll from the previous Door starts crying. They search for another room until the baby doll is pacified. (Source: frankly at MyDramaList)