Wanda is a dominatrix who operates a gallery on the Hamburg harborfront. People pay to observe her as she degrades her slaves. She is a confident entrepreneur who challenges sexual norms and societal prohibitions with a cool demeanor and a mysterious grin. As an artist, she excels in presenting elaborate S&M scenarios. Her personal and professional lives often blur, leading her to leave her German lesbian lover, a shoe fetishist, for an American trainee. She also disrupts the dynamic between a male performer who has broken the rules of their master-slave relationship by falling in love with her.