Jerry Stanton's pride and joy is successfully coaching the Hurricanes, one of the six competing school soccer teams, sponsored by his employer's sports equipment shop. When the competition goes co-ed, he panics, but relies on Samantha 'Sam', the tomcat among his twin daughters, as not-disastrous girl in his team. Alas, partially due to wife Denise, a psychologist, the team-picking goes pear-shaped, the Hurricanes get stuck with fashionista twin Emma. So he eagerly accepts when the sisters spontaneously suggests secretively trading places, but Denise and attractive boys compromise keeping the charade up.

Moronic American student Rusty arranges a student exchange program for his closest friend and him to study in Romania for six months and meet his Internet girlfriend Draguta. He travels with potheads Pete and Wang; Pete's girlfriend Lia and his twin sister Danni; the naive and romantic Newmar and his dippy girlfriend Lynne; the nerd Brady and crook Cliff. His friends actually intend to party. While traveling by train to Razvan, they learn that five hundred years ago, vampire Radu lost his beloved Stephania, whose spirit was trapped in a music box. Radu has kept Stephania's body and has been seeking the music box to bring Stephania back. Meanwhile, one of Radu's minions retrieves the music box but is mortally wounded by the vampire slayer Teodora Van Sloan and he drops the object in a gypsy's basket. Newmar buys the music box and gives it to Lynne. When they arrive at the university...

In Cleveland, the histrionic and clumsy executive Nelson Hibbert expects to be promoted to president of the Nigel Industries since he is engaged to the owner's daughter. However, his future father-in-law Mr. Nagel chooses the executive Ken Daly for the position, and Nelson threatens him in front of the board of directors. Later he decides to pay a visit to Mr. Nagel but finds him dead with a knife in his neck. Nelson removes the knife and is covered of blood, becoming hysterical and leaving the office assuming that he is the prime suspect. However, the surveillance cameras disclose the identity of the killer, and while Nelson escapes to Metcaf believing that he is chased by the police, the killer is pursued by the police and tries to eliminate Nelson believing that he is a "super-cop" on his trail.