The plot stipulates. According to Anime. com, Ford and Sammy are a pair of complainants in the all-around detective agency of the Mini Secret Service. The plot is that Ford loves Sammy very much and Sammy loves Ford very much. As the four members of the strongest fighters, Ford, Sammy, Lucy and Max each have different superpowers. They will turn into cool robots and mechs, with the mission of protecting Lanling Village and small animals and eliminating evil forces.