The toys build their own house. They are hindered in their work by the carefree Puppet. Despite this, a beautiful and functional house is built. Only then does the unbearable Puppet undergo a metamorphosis, and he fails to understand that one cannot live without work.
Bored with her bourgeois life, the young Maria Variani, daughter of a professor, meets Bruno, who is part of an amateur jazz group, and allows herself to be persuaded to join the band that plays during the radio program "The microphone is yours".
A love triangle, the story revolves around two brothers (Ajit and Sajjan), both in love with an orphan girl (Madhubala), who is given shelter by their family.