One Hell of a Guy (2000)

Nick, a charming demon played by Rob Lowe, is tasked with corrupting the innocent Cassie Springer (Alexandra Powers) for the Devil. However, to his surprise, he finds himself captivated by her purity and goodness. As their unexpected romance blossoms, Cassie's virtuous nature becomes the key to saving the town of Fairfield from malevolent forces. Nick faces an internal struggle, torn between his dark duties and newfound love, turning the age-old clash between good and evil into a deeply personal battle with profound consequences.