There Is A Murderer In Here

During Jung Hee's housewarming party, Bae Hee Jae is found dead. Eun Ji calls Ji Won immediately to report this, and Ji Won tells her that no one should leave the house as of now since the murderer is still in the house. Furthermore, after hearing that Hee Jae was spotted drinking wine, Chang Gil suspects that someone has put poison into the glass.