Grace, a kind and resilient delivery rider, marries Karl, a secret trillionaire heir, in a flash marriage by contract to pay her mother’s medical bills. As they live together, Karl quietly shields her from workplace bullying and forced marriage demands from her relatives, and the two gradually fall in love. When Karl’s former fiancée Cecilia exposes his true identity in public, a heartbroken Grace files for divorce. To save the woman he loves, Karl transfers all his assets to Grace and walks away with nothing during a live broadcast watched by the whole city. In the end, the villains are brought to justice, and the pair gain a perfect, genuine love.
