KANG Min regains his consciousness 14 days after brain surgery following a mysterious
accident he had in the forest. Shockingly enough, the first thing he says is that
two people died in Spider Forest. Detective CHOI, KANG Min's friend, finds a couple
brutally murdered at a cottage in the forest, just like KANG Min described. As
the couple found dead at the cottage are identified as CHOI Jong-phil, his senior
from work, and HWANG Soo-young, his girlfriend, KANG Min becomes both a witness
and key suspect in the investigation.
Mending his memory, KANG Min tells his friend, Detective CHOI, what happened.
Having suffered from a loss of his beloved wife, KANG Min, a producer at a TV
station, is ready to start a new life as he falls in love with HAWNG Soo-young.
For his last task on the job at the station, he visits Spider Forest to make a
documentary on its legend. In the forest, he runs into MIN Soo-in, who looks so
much like his dead wife. She tips him off on the murder case, and he sees a phantom
of a girl known to be the victim. After getting an anonymous call, he goes back
to the forest and finds his girlfriend in bed with CHOI Jong-phil at the cottage
in the middle of the forest. Then, he realizes there is someone else watching
him. He runs around the forest looking for that someone and ends up confronting
Detective CHOI goes to MIN Soo-in who has the key to solve the case. Still
shattered, KANG Min sneaks out of the hospital and begins his own pursuit to
find the truth, putting back together his lost memory. As he steps closer to
the truth, a brutal past beyond anybody's comprehension reveals itself. What
is it that happened in that forest?