This summary provides an overview of key events and characters introduced in the chapter of the Sims legacy story "Dexter’s SiMania Joint Duelacy". Dexter has 3 half-alien children - Mars, Jupiter, and Pluto. The kids get jobs while Dexter paints. Mars befriends a co-worker while Jupiter socializes online. Jupiter's friend Sadie visits and they begin dating. Sadie later moves in. Mars also begins dating. The story continues to follow the relationships and careers of Dexter and his family.

39. No wonder Sadie had such a difficult time during her pregnancy. She was carrying four babies. And now I want to kill her and Jupiter for making quads!