Felix, the real estate salesman, at an important office in Madrid, is a man that relies on tricks in order to sell an apartment. His boss, Emilio, asks him to cover for him as he carries on with Lola, another sales lady of the firm. In doing so, Felix loses his own girlfriend in the process because she suspects him to be two timing her."Corazon loco", directed by Antonio del Real, is a mildly amusing comedy presented with style and taking place in modern Madrid. The screen play is by Carlos Asorly and Fernando Leon de Aranoa, who went to direct "Lunes al sol".Juanjo Puigcorbe plays Felix, the man whose life unravels because his boss decides to use him to help him for his own sexual escapades. Cristina Marcos makes an interesting choice for Lola, a woman who has a mind of her own. Joaquim de Almeida is seen as Emilio, the creepy boss who wants to have everyone involved in covering his amorous adventures. Beatriz Carvajal appears as Cecilia, the unsuspecting wife of Emiliio. Javier Camera has a small part as one of the men in the office.While predictable, the film provides fun in the way Antonio del Real has directed.