Adult Behaviour… It's All in the Mind (1999)

Frank, a successful lawyer in Stockholm, appears to lead an enviable life with his stylish wife, Nenne, who owns a boutique. Beneath the surface, however, he grapples with deep-seated dissatisfaction and rampant desires, even fantasizing about their marriage counselor. Seeking excitement, he begins an affair with Sofia, a vibrant art student, which only amplifies his guilt. Meanwhile, Nenne’s friend Rosie suspects infidelity but remains silent, unaware that Nenne is involved with Georg, a self-important journalist. As secrets unravel, tensions rise, leading to unexpected chaos in their intertwined lives.