no Megacine. This time, Gorda Fabiola and Polilla's witty banter moves to the city of sin, Las Vegas. Juancho decides to avenge the death of his policeman father and learns that the murderer is in town. To do so, he will have the help of Polilla and his adopted son Pachuco, who at all times will try to hide the truth of his trip from Fabiola.