Mary, a devoted wife and mother, finds herself in a luxurious spa in Sweden while her husband, Alex, is away at a football match. During a visit to the sauna, she encounters a handsome, naked, Scandinavian man, Henrik, who is completely at ease with his nudity and his body. Mary, who has always been content with her vanilla sex life with her husband, is shocked by the sight of Henrik's impressive physique and his openness about his body. Henrik is intrigued by Mary's reaction and takes the initiative to seduce her, introducing her to new sensations and desires she never knew existed. Mary, feeling a mix of guilt and excitement, finds herself drawn into a passionate encounter with Henrik, exploring oral sex and other new experiences for the first time.