At the start of his reign, the young Ying Si finds himself undermined by the powerful minister Gan Long. To establish his authority, Ying Si personally leads a campaign at Anmen, where assassins pursue him. He survives by the skin of his teeth with the help of Wei Xia, whom he keeps by his side. Gan Long and Ying Si clash as the minister tries to monopolize power, and Wei Xia is caught in the middle, nearly losing her life several times. With Wei Xia’s help, Ying Si finally seizes control of the government and begins his grand ambition to restore Qin to glory. He and Wei Xia also become husband and wife. Yet on their wedding night, Wei Xia attempts to assassinate Ying Si, bringing her mysterious origins to light. Though betrayed by Wei Xia, Ying Si chooses to forgive her. Not long afterward, Wei Xia vanishes during an assassination attempt. Years later, a woman who looks strikingly like Wei Xia comes from Chu to Qin, bringing great changes to the state...