The film's hero, Lola, is getting ready for the celebration of her birthday. Because she knows she is in for a surprise, she lets two strangers with flowers and a cake into her apartment. The guests names are Bim and Bom; they are killers. They've chosen the girl's apartment as a shooting place to assassinate the president whose motorcade is to proceed by her house. Lola becomes a hostage and the main obstacle foiling the assassination plan.

From the American psychiatric hospital run by two maniac, confident that he was a spy, and a transsexual. Very soon they will want to return to their native madhouse — but it will be too late. Because the third psycho sent them on a secret mission to Russia. Yes, even in a balloon.