When a renowned shaman (KIM Go-Eun) and her protégé (Lee Do-hyun) are hired by a wealthy, enigmatic family, they begin investigating the cause of a disturbing supernatural illness that affects only the first-born children of each generation. With the help of a knowledgeable mortician (YOO Hai-jin) and the country’s most revered geomancer (CHOI Min-sik), they soon trace the affliction’s origin to a long-hidden family grave located on sacred ground. Sensing an ominous aura surrounding the burial site, the team opts to exhume and relocate the ancestral remains immediately. But as something much darker emerges, they soon discover what befalls those who dare to mess with the wrong grave.