When teenager Dante's parents go on vacation, they give him strict instructions not to "make anything up" while they're away. But when Dante and his friend Tvärsan find a diamond ring in the snow, they're drawn into an exciting detective adventure.
When private 91 "Mandel" Karlsson is appointed General due to a computer error, he tricks a foreign military attaché into believing that the Swedish defense has a new weapon that turns male soldiers into women.
