Watch The Adventurous Sex for Free: How to Stream the Movie Online at 123Movies. . A young man spends so much time at work on his airplane that he neglects his girl. She goes out on her own to live the high life, but her reputation is soiled by an adventurer. The young woman resolves to kill herself, and throws herself into the water rushing towards Niagara Falls, but is saved at the last minute by her former sweetheart.