Finland is the happiest country in the world and the residents of its capital are the happiest of the happy. That's why B-class guardian angels have been sent to help the people of Helsinki, who wouldn't be able to survive in harsher places. In addition to Jedi, who just fell from heaven, Miklu, Heliel and Rafu, as well as their human colleagues Serafina, run a restaurant in summery Helsinki as a cover business and help out, according to their abilities.