When a menacing red eye is about to hit Beach City, the only thing that can destroy it is a Laser Light Cannon which once belonged to Steven's mother, Rose Quartz. Thus, Steven enlists the help of his father, Greg, and they search through his storage for the cannon.

Steven tries to master his shapeshifting abilities from Amethyst, but turns his fingers into cats, making it harder to do things.

Steven creates a magic bubble around himself and a girl he likes, Connie, to save her from a falling rock, but has no idea how to make it disappear.

Steven and Greg take Lapis on a boat trip out to sea and find themselves in dangerous water.

Steven faces his biggest challenge yet.