Nao, a female detective working undercover at a stakeout. Her partner, staking out behind her, begins passionately groping her ass, growing increasingly aroused, then moves on to vigorously fondling her breasts. Stimulated by his touch, Nao gradually becomes excited herself, eventually turning the tables and taking control, completely forgetting their surveillance mission. The intense romance and tangled desires between them quickly escalate to a feverish climax.