In the midst of an economic downturn, Kaho Tamashiro opens a women-only, by-appointment-only esthetic salon in a room of her home to support her family. Once a renowned esthetician at a famous spa, she had attracted many loyal clients with her exceptional skills. Now, she quietly runs her small home business. However, her life takes a disturbing turn when a creepy male neighbor from the same apartment building suddenly shows up at her door. Though she has never given a massage to a man before, she reluctantly agrees, torn between fear and confusion—emotions that quickly spiral into a terrifying and devastating ordeal.