Convinced by the promise never to let him shed tears, Baek Hyun-woo, a lawyer from the countryside supermarket background, marries Hong Hae-in, the top heiress of South Korea's leading conglomerate. They married out of love, yet three years down the line, they find their affection fading away. Serving as the legal director for Queens Group and enduring harsh in-law challenges, Hyun-woo decides to file for divorce... Facing a severe crisis, once bound by what they believed was love, can they salvage their marriage?