Heaven Assassin Woman Episode II

Two assassin organisations, "Heaven" and "Hell", are at a war for territory. Themis thinks a Hell assassin is in Black Sabbath Twn pretending as a mole. She needs help and for her to be cautious of who she can trust. You have finally found a lead on the mole, Themis has put you in a room with 4 moles and you must spot the mole or youll all be killed by her.