The Substitute Heir

Nathan Cole was sent down the mountain by his Master to fulfill a marriage contract, given a jade pendant. He rescues Raina Lawson, his fiancée's younger sister. At the Lawson Family's home, the eldest daughter rejects the contract. Raina Lawson marries him in her sister's place. They become partners, each with their own considerations; she hopes to use this marriage to win elders' favor and save her family's business.