A young chess player in the World dreams of becoming a world champion. However, at the very first championship, she is disqualified for cheating by her idol, Grandmaster Garov. Mira learns from her mother that the reason for her disqualification lies much deeper than it seems: Garov is her biological father, who wants nothing to do with her. The unrecognized daughter of a world-famous grandmaster joins the fight for the title of world champion in order to defend her honor both as an athlete and as a daughter.