When the Xu family empire in Harbor City begins to collapse under a series of devastating setbacks, heiress Xu Wanxin is left with nowhere to turn. After being betrayed by her fiancé’s family, she forms a contract marriage with Shen Gu, a brilliant tech prodigy. As they join forces to fend off a hostile foreign takeover and expose the schemes of Shen Gu’s own family, the two grow closer while protecting the Xu legacy.