"The Mystery of the Golden Valley." You will say: what adventures can there be when there is a war in the yard? Yes, you just do not know that adventure can and benefit! This is how Vaska Molokoed, Dimka Dublenaya Kozha and Levka, nicknamed Fedor the Big Ear, decided and went in search of gold to buy tanks for the Red Army with it. On the way to the Golden Valley, the guys comprehend the wisdom of the Snow Trail, the cunning of the redskins and the difficult life of gold miners - everything is like in the novels of Jack London and Fenimore Cooper! But very soon they will have to face real, not at all childish dangers and reveal the terrible secret of the Valley.