Sang-hyun is a young Korean priest, loved and respected. Against the advice of his hierarchy, he volunteers to test an experimental vaccine against a deadly new virus in Africa. Like the other guinea pigs, he succumbs to the disease but a blood transfusion of unknown origin brings him back to life. Back in Korea, he begins to undergo strange physical and psychological mutations: the priest has become a vampire. But the news of his miraculous healing attracts sick pilgrims who hope to benefit from his grace. Among them, Sang-hyun finds a childhood friend who lives with his mother and his wife, Tae-Ju. He then succumbs to the violent carnal attraction he feels for the young woman…