CJ Entertainment Japan

The timid, young Asuka is bullied by her classmates. When they embark on a class field trip to Korea, Asuka plans revenge by sending them a cursed phone message they can either pass on or die.

Nanami Hoshino, a wealthy entrepreneur, marries potter Kim Jun-ho, and they both live a seemingly happy life until Nanami is killed by a biker on her way home. Now a ghost whose presence cannot be seen, she realizes that her death was no coincidence and seeks help from the elderly psychic Unten in hopes of saving Jun-ho's life.