Kling and Klang have been assigned to escort two tough criminals on a train ride to a new maximum security jail. Also aboard for the ride are Tommy and Annika under Mrs. P's supervision, and to the delight of TK and Bloom, a gold shipment is loaded along with an armed guard prompting TK & Bloom's decision to get on board as well. Pippi, Horse and Mr. Nilsson decide to join the party and the antics follow as TK and Bloom assume the criminals have a plan to get the gold, and want a part of it.