SEXY MOMMA - Step Mother London Teaches Minxx About Sex is a hilarious new film based on the video SEXY MOMMA - Step Mum's London Adventure. The video follows Minxx, who is raised by her stepmother in a sheltered, upper-class London household. Minxx and her mom have a complex relationship, and the video of her relationship with her stepmother will make her realize what a great role she plays in her daughter's sexual development..