"A young man, who has an ability to see the spirits of the undead, together with a spirit who has promise to keep.."

Park Soo Hyun[Oh Se Hun] is you average teen who lives his life exploring the world and loves taking pictures. He has a father,mother and his elder sister who lives happily together. Until the accident change his life, suffered from the lost of his beloved family, he shut his life down by being a loner who didn't care for anything. After the accident, he can see spirits and illusions from the dead as he still sufferes from it. Whilst that no one believe everything he says, he became a victim of bullying until he met a wandering dead soul [Shinoda Mariko] who claims that she has to protect him as an act as a 'promise that she kept from her friend'

While the unlikely duo were having a journey to sent the spirits back to the afterlife, a vengeful spirit called 'White Lady' tries to interrupt Soohyun and his spirit partner with her illusions, will they ever survive this cruel event? Will Soo Hyun able to send the dead to the underworld? What is the identity of the spirit and who's promise she promise to keep?