Natsumi, a single mother who returned to her hometown after a divorce and now works diligently as a maid at an inn, juggles child-rearing and work every day. In the countryside, she has had no new encounters and has been in a sexless state for the past few years. One day, despite her confusion, she accepts an invitation from a guest and, driven by her inherent strong sexual desire, finds herself aching with heat. She becomes engrossed in a threesome with a male guest during work, and her sexual desires awaken.
