To escape a forced political marriage, Clara Shen signs a three-month marriage agreement with Luke Lowe, an ordinary construction worker. Everyone mocks her for marrying a blue-collar laborer, unaware Luke hides a staggering secret identity. Facing family coercion, commercial blockades and provocations, Luke always stands by Clara's side, protecting her with unexpected reversals. As the pair evolve from contract spouses to genuine lovers, Luke's true identity is revealed.