"The attempted robbery of an armoured car in the back streets of Montevideo is a miserable failure. But it turns out [to] be a lucky break for the intrepid Ursula Lopez who manages to snatch all the loot, more hindered than helped by her faint-hearted and reluctant companion Diego. Only now, the wannabe robbers are hot on her heels. As are the police. And Ursula's sister. But the irresistible Ursula turns out to be enormously talented when it comes...