In the psychopathic couple killer, one group of friend went on a camping at the forest which is the black wood forest near the town to have fun but tragic will happen, and mystery will solve, and eagerness will fulfil, love has no limit, anger can lead to evilness, mistakes are the portals of discovery, jealousy can end the relationship, and friendship. Lying can't correct anything and trusting too much can kill anybody. Fun can suddenly change to tragedy.