- "Do you understand lil sis?" "Don't call me that" "What are you going to do if I continue lil sis?" "I'll do this" - What if the notorious Callahan Junior gets 7 stepbrothers who have dangerous secret agenda's? but what if she has an even scarier secret agenda? How will she survive with 7 overprotective stepbrothers and how will they survive with a devil sent stepsister?