After an accident happened when she was young, Iris Ellaine Park doesn't have a normal life. She can sees souls. Everytime she had an eye contact to the souls she encountered, she felt that it's her responsibility to help them. Whether helping for their unfinished business in the mortal world or seeking for justice of their death. In her new school, she met a soul of girl asking for her help to find the real culprit. Death played a game and it leads her drowned into the darkness. Will she able to win the Game of Death?