On a mission to find the next Pandorian Crystal, the Guardians encounter a race of aliens that are under attack by rock-like Rexians and help fight them off, but Groot becomes infected with the same fungus that possesses the Rexians..
When the evil Warstar aliens plot a massive invasion of our planet, Earth's supernatural guardian, Gosei, mobilizes a team of five extraordinary teens with the talent and attitude to oppose them.