Chechu is a 13 year old boy who lives surrounded by peculiar people: his grandfather, his uncle, and two maids. He falls in love with one of them.

Two brothers plan to steal the precious jewel of Nefertiti's eye in a famous exhibition hall, but they are not the only ones who want it. There is a scuffle in which a policeman dies and one of the robbers falls on the dead man.

R2 is going through hard times: his past failures have earned the anger of the Chief Inspector. He finds consolation visiting Didi's bar to cheer listening to music, especially blues. In addition, the Chief Inspector is jealous since he knows that R2 receives letters from the Palacio de la Zarzuela. Aided by his trusty and faithful Ins...