Among sculptural soaps, tanned skin and freshly made open sandwiches, Danish-Korean Mina runs a luxurious spa on the west coast. Every summer, white guests flock to the spa and are pampered by her and the hotel's staff - mysterious, unknown beings that hover between reality and fantasy. But as the guests' behavior becomes more awkward and discriminatory, Mina's dark hair begins to grow, prompting an unusual guest to check in.