Spring is a musical comedy made at Mosfilm and directed by Grigori Aleksandrov. Film director Gromov wants to study the lives of scientists for a new picture and visits an institute of solar research. An operetta actress, Vera Shatrova, closely resembles the scientist Irina Nikitina, and the two women end up being mistaken for one another, which leads to a series of mix-ups. Lyubov Orlova and Nikolai Cherkasov play the leads, the music is by Isaak Dunaevsky, and Rina Zelyonaya appears as the studio make-up artist.