Garúa is the name of a famous Argentine tango. Garúa is also, in Spanish, a very light kind of rain, almost a vapour, that descends from the sky and that due to its lightness never seems to reach the earth. Franco kills a tango singer, and the weight of his guilt pushes him to search for information about his victim. His quest leads him into an unknown and fascinating world, a true and deep place where the tango is still alive, habitat of the last real and authentic bohemian artists in Buenos Aires. Arriving here, Franco is ready to do his duty...