Kai is asked by his Captain, Commander Stanton , to train Leo as a new leader on Terra Venture. After Leo doesn't listen to Kai and locks the Weapon Bay door, a monster steals all the weapons in there. Leo, feeling guilty, goes after the monster, Horn , by himself, who also has 5 powerful weapons known as the Transdaggers . After tricking the monster, Leo and the other rangers get the Quaser Sabers back as well as the Transdaggers. But how will Leo and Kai get along?