Oğlum: Orhan is a wealthy man who owns racehorses. His horse, Hakan, consistently wins first place in races. Orhan's rival, Tufan, always trails behind Orhan with his horse, Yıldırım. The emotional closeness between Tufan's niece, Jale, and Orhan's son, Murat, will continue with their upcoming engagement. However, Tufan harbors resentment toward Orhan. On one hand, he consistently finishes behind Orhan in races. On the other hand, if Jale and Murat marry, Tufan will lose his guardianship rights. For this reason, Tufan takes action to prevent Jale and Murat's marriage.