23-year-old Panna, a lonely university student, is incapable of forming human relationships, until Boy (23), a self-loathing alien, arrives after Panna sent signals out into space. Boy tells Panna that the planet is doomed and that he is only interested in saving one artist in particular whom he greatly admires, Sarolta Zalatnay. The two strangers join forces: Panna helps Boy to accomplish his mission, and the alien takes her to an unknown planet in return. But the impending night will be filled with unexpected adventures…