High school is coming to an end for the shy guy, Gustav, and his best friend, Buller. All the two outsiders can think about is sex, and it’s all they talk about too. Gustav is madly in love with the popular girl, Barbara. But when an alien, disguised as a dreamboat named Allan suddenly falls from the sky and into Gustav’s life, the boys’ reality change drastically. Suddenly, they’re in with the popular crowd including Barbara. Without knowing Allan’s evil plan to take over the earth by spreading his seed with as many women as possible, Gustav and Buller become close friends with him. Just in time, the boys realize that sex is more than just consummation, and this truth changes their lives forever.