Luigi receives a letter informing him he has won a mansion as the grand prize in a contest. Luigi is puzzled, and instead of entering a contest. When he arrives at his mansion Hu Tao, they discover that Springtrap, King Boo, Phantom Animatronics, and the other ghost are haunting it and his friends are trapped inside. When the enemy's haunting continues in Luigi's Mansion, Luigi enters the mansion and will never get out alive; Mario, Peach, and Toad are missing inside the Mansion, and Luigi and Hu Tao’s task is to find their lost friends. When Luigi hears the footsteps, he meets up with the 77th Wangsheng Funeral Parlor Director, Hu Tao. He hasn't been to his mansion before, and he feels frightened by Hu Tao when she touches his shoulders which encountered. Luigi says that she mustn't hurt him. Hu Tao comforts and befriends Luigi. She doesn't hurt him because she wants to help and protect him. Hu Tao and Luigi become friends. Luigi wants Hu Tao to join him, help him find his lost friends, and help Professor E. Gadd capture the enemies because he is old as he had told him.
