After landing a big client, Caroline eyes a promotion at work, but struggles to keep the pregnancy a secret until she can lock it in. Dan encourages Junior to lighten up a bit and have some fun so he considers rushing a fraternity on campus, which turns out to be Dan's old house. When Junior and Molly attend the Halloween costume party however, it becomes apparent that something has changed in the years since Dan was at school. Meanwhile, the Yoders entertain the Hernandez family for some Halloween trick-or-treating.