Gu Chengze, heir to a company, faces a pre-marital test of human nature orchestrated by his mother, which reveals the true colors of his former fiancée's family: they value profit over loyalty. He stands firm in his principles of honesty and integrity, refusing to accept self-serving ties with no limits. He meets Cheng Qinghe, a woman of upright character, and together they uphold business ethics, resist malicious rumors and commercial espionage, and defend fair competition in the marketplace. As they navigate family conflicts and business turmoil, they remain true to their principles and uphold the values of lawfulness and kindness, embodying the sense of responsibility expected of young people in the modern era.