In ancient China, the fall of the Later Han dynasty plunges the land into chaos as warlords fight for power. Amid the turmoil, rumors spread of the Imperial Seal, a sacred treasure said to symbolize the emperor's mandate to rule. Childhood friends Zhou Yu and Sun Ce, who serve the Sun family of Jiangdong, are bound by an unbreakable bond. After Sun Ce's father, Sun Jian, reveals he possesses the Imperial Seal, he leads his army into battle but is killed by a trap set by Huang Zu. Determined to fulfill his father's dream, Sun Ce inherits both the Seal and his ambition to unite the land. Zhou Yu swears to devote his life to supporting his friend as strategist, leading the Sun forces alongside veteran generals. As their campaign begins, Sun Ce encounters the mysterious warrior Taishi Ci, setting the stage for a fateful confrontation that will shape the future of the Three Kingdoms.