While in Argentina, renowned Mexican muralist David Siqueiros paints the mural "Ejercicio plástico" at the country home of newspaper owner Natalio Botana. Set in the 1930's, this lovely historical reconstruction serves as a testament to the creation of a masterpiece, while depicting the controversial private and public events that shaped its materialization. A complex storyline which includes Argentina history, romance, drama and much more. A story of ethics, infidelity, love and hate around the renowned David Siqueiros, no one is innocent here; everybody shows weakness and values as well, there is no black and white. There are multiple tones, as in a Siqueiros painting.