Stan (Seth MacFarlane) invites his mother (guest voice Swoosie Kurtz) to come live with the family after Stan's stepfather dies, and tensions rise when Roger (MacFarlane) is forced to share his attic with her. But Roger and Stan's mom quickly fall in love and get married, and Stan is forced to deal with Roger as his new stepdad. Meanwhile, Steve (Scott Grimes) and his friends discover a mysterious plane crash while on a bike ride and come across a long-lost script of a "Fast and Furious" movie that they are determined to get made.