In the secluded solitude of Mount Moak, 19-year-old Eun-oh has spent his entire life following his late mother’s dying wish-to “live alone.” However, fate takes a chilling turn when desperation leads him to steal from a mysterious man entering the mountains, thrusting him into a life-threatening predicament. The mysterious man who captures Eun-oh is Chae Yoon-sa, a cold, ruthless and indifferent man. Chae Yoon-sa’s once-unyielding indifference is disrupted by a profound interest in Eun-oh. The pressing question lingers: Who is this mysterious boy, and why does he evoke emotions that defy the his cold nature? As Eun-oh grapples with the new reality, the clash between Chae Yoon-sa’s hardened heart and the warmth of Eun-oh’s untouched soul unfolds. Their story reveals profound complexities, intertwining love, self-discovery, and the haunting past that they both can’t escape.