A 31-year-old married man and a 20-year-old woman begin a casual and unclear relationship. The woman, an amateur mime, decides to leave Japan for Algiers. Three months later, she returns with a Japanese boyfriend. One day, the woman and her boyfriend ask if they can visit the man's home; because his wife is away visiting relatives, he agrees to the gathering. The three drink carelessly and smoke marijuana in the man's living room; the woman needs to be helped to bed after smoking one joint.