I mean, in 64, Peach had baked a cake but meanwhile Bowser showed up and trapped everyone in paintings, Sunshine is about a similarly ruined vacation as Super Mario World, Galaxy is i'm pretty sure about an errant asteroid that is sent from outside our solar system holding an ancient technology that threatens the entire existence of mankind and its up to a scrappy band of dudes and some English-accented space lady to save the day (or something). Odyssey is about how forcing someone to marry you isn't a good look and also we all have to juggle a lot of different roles in the modern age. Game's still got plenty of lore!