After a battle damages the Fish Stew Pizza sign, the Gems are banned from the restaurant, so Steven throws a cookout on the beachside to mend the relationship between the Pizza family and the Gems.

Lapis Lazuli disappears after reigniting a past conflict with Garnet, Amethyst and Pearl, and takes the ocean along with her, leaving Beach City in a panic on the first day of summer. Steven, Connie, Greg, Lion and the Gems go on a mission to confront Lapis and set things back to normal.

Steven settles a rivalry between restaurant owners.