Outside the window, the scenery rushes backward, while inside the carriage the distance between them shrinks bit by bit. Two strangers, a man and a woman, are merely seatmates at first; from an awkward exchanged glance, their breathing gradually falls out of rhythm. The cramped space makes every slight brush of their bodies glaringly obvious, and desire ignites in the silence. One of them boards the train with an elaborately prepared lie, while the other slowly lowers their guard in the ambiguous warmth of skin. A forbidden encounter on a journey is never just coincidence. When the high-speed train becomes a makeshift bed, when the scenery by the window is replaced by lust, the vortex of lies and carnal desire truly begins.