After tracing the origin of a disturbing supernatural affliction to a wealthy family's ancestral gravesite, a team of paranormal experts relocates the remains—and soon discovers what happens to those who dare to mess with the wrong grave.
TV Producer Kang Min enters Spider Forest for a documentary. He enters a cabin and discovers two brutally murdered bodies. One is his girlfriend Hwang Soo-Young and the other is his colleague Choi Jong-Pil. Kang Min also senses someone watching him and runs after that person into to the forest. He's soon knocked unconscious. When he awakens again he continues his chase into a tunnel. Kang Min is then struck by a speeding car.
A secret, passionate affair happens in the summer of 1969 between Colonel Jin Pyeong, trapped in a loveless marriage with Soo Jin, and Jong Ga Heun, the Chinese-Korean wife of Captain Kyung Woo Jin.