Yuri, a female space detective belonging to the Galactic Defense Force, fights tirelessly to protect Earth. Usually partnered with her teammate, space detective Blue, she finds their routine shattered when Chingis, a high-ranking leader of the criminal syndicate Caligula, suddenly launches a sinister plot. Using the monster Abeconga and a secret weapon called Sakasagasu, he begins manipulating human emotions. Rushing to the scene, Yuri and Blue are ambushed by Sakasagasu's attack, which transforms Blue's personality into a cowardly weakling. Left without backup, Yuri infiltrates Caligula's hideout alone, only to be captured and subjected to humiliating torture. Just as she faces execution, Blue suddenly reappears and wipes out Caligula's forces—but then reveals his true, hidden objective. Once again pushed to the brink of destruction, Yuri must confront this new crisis. Can she survive this ultimate danger? [HAPPY END]