1918. After the death of the mother, the father decides to take the children to Moscow to see a distant relative. On the way, the guys experience a raid by a White Guard gang on a train, the death of their father, and meet the homeless child Yashka, who brings a plan to Lenin - how to destroy all the bourgeoisie and all the counter-propaganda in one day. The boys become involved in revolutionary events, and ahead is Moscow, a chance meeting and conversation with Lenin and Dzerzhinsky, the fight against counter-revolution...

One day a sick bear cub was brought to the circus to perform with bears. Professional trainers immediately "rejected" the animal, but saxophonist Kolya, who dreamed of training, took pity on little Gosha and spent years to make him a real circus star of international renown. After many years in the circus, the bear Gosha accidentally finds himself in the forest. Noticing the disappearance, circus attendant Mikheev, together with a local hunter, goes in search of his favorite bear.