Mengpo is a lady serves in Diyu, the Chinese realm of the dead. She stands in front of the bridge of Diyu. Her task is that give each soul who across the bridge a tea of forgetfulness. During this process, she forgets herself, her lover, and her memory. As a result, when her lover across the bridge she miss him. What is seen is a heartless person as on situation could become the most emotional person in another situation. When Mengpo finds her memory, her heart will return.