Sinner: The Secret Diary of a Nymphomaniac (1973)

Plot

Linda arrives in the bustling city, eager for adventure and thrill. Instead, she encounters a series of predatory men who exploit and mistreat her. In her quest for genuine affection, she embarks on a passionate affair with an alluring countess. As she delves deeper into a hedonistic lifestyle, she explores drug use, attends wild swingers' parties, and eventually finds herself in the adult film industry. Throughout this tumultuous journey, she documents her experiences in a secret diary, revealing the complexities of her desires and the darker side of her search for connection.