When rocket scientists Joe and Fran are brought together to prepare for the launch of Space Burst’s revolutionary new spaceship, romantic sparks fly, but neither is fully confident in taking the next step. Things become much more complicated for Joe when three tiny, unruly, and adorable aliens on the interplanetary run from the law, the Klebs, take refuge in his home. Upon learning about Space Burst’s rocket, these aliens, Dunk, Welly, and Shirm, set their sights on using it to return to Planet Kleb. Now, Joe will have to juggle pursuing his feelings for Fran with helping the Klebs get back home, leading to a finale that’s out of this world.