A detective in South Korea uncovers a mysterious death on a mountain peak, where a man's fatal fall raises questions about whether he took his own life or was murdered. As he investigates, he becomes entangled in a complex web of lies and temptation.

Decision to Leave
The investigation into a man's mysterious death in the mountains takes a surprising turn when a detective crosses paths with the deceased's wife, whose arrival only adds to the puzzle surrounding his untimely passing.