Neither Yai nor Tangmo are aware of either of their sexual histories, but Udd discovers the affair and plans to have anal sex with his grandfather out of revenge. However, none of them know that he is a zombie, and lives with some scary spirits.
Udd finds out about an affair between Yai and Tangmo without them being aware of it. He plans to have anal sex with his grandfather as revenge. However, they are unaware that Udd is a zombie living among scary spirits.