When her younger sister Maddie (Lena Anderson) goes missing in a foreign country after taking an internship for erotic filmmaker Erika Lust, Paisley (Casey Calvert) makes it her mission to find her. Leaving her hometown in the United States for the sensual streets of Barcelona, Paisley retraces her sister’s steps to try and find out just where she’s gone. Starting with Maddie’s roommate (Michael Vegas) before moving on to her colleagues at Erika Lust (Paulita Pappel, Kali Sudhra), Paisley discovers a lot more about her sister than she had bargained for. Will Paisley ever find her sister or will she be lured into the heat of a European summer? This is a tale of sexual awakenings, erotic desire, curiosity and pleasure; this is a summer of Lust.