In the galaxy of Yullon, on the small planet of Tollon, the tollon civilization lives. Having reached great technological heights in its development, civilization took up the development of its galactic home and faced another galactic civilization - crocans, which is at a lower stage of development. Not understanding the characters of the crocs, the tollons handed them their space technologies and brutally paid for it - they were destroyed. The captain of Tollona Wall'Iolet, courageously fought for the life of his civilization, but left alone, decided to leave his space, in the hope, somewhere to find a new refuge for himself, in order, subsequently, to take revenge on the ruthless Crocs for their people.