Ben and Gwen are finally starting to trust Kevin when Kevin steals the RUSTBUCKET and tries to swap it for some alien tech from ARGIT (an alien black market dealer)! Argit then steals the Rustbucket from Kevin and runs away. Ben and Gwen must learn to trust a flawed teammate as they help Kevin claim the important alien tech he is desperately after and face-off with one of Ben?s old foes, VULKANUS.