Tomás lives in a very small Czech town and is a nature lover and a birdwatcher. He struggles to keep the forests he loves clean and constantly fights his "archenemy" whose sister and Tomás's classmate is secretly in love with him.
Little Vendulka receives a birthday gift of a seemingly innocuous children's book. Little she knows that the book is actually a portal into the surreal world of nursery rhymes and Josef Lada's paintings.
Based on a real event - the shooting of a group of working-class children on 20 April 1930 in Radotín. Thirteen-year-old Boženka‘s mother works as a laundress, and Boženka and her two younger siblings are not living on a bed of roses.