Ten days after their marriage, Ma Kwang-sook lost her husband in an accident. As the eldest daughter-in-law, she took charge of Eagle Brewery, a proud brewery with a long-standing tradition, and became the family pillar. Brewery’s debt, four brothers-in-law who still feels awkward, and the rumor calling her a vicious woman who devoured her husband is what’s left for her. She feels distant from her brothers-in-law who have different characters, but they are family to Kwang-sook. Chun-soo, the second, lives hiding his hardships. Heung-soo, the third, lives missing the glory of the stage. Beom-soo, the fourth, is cold and shows a life of perfection. And Kang-soo, the youngest, is innocent and naive. She resolves to reconstruct the brewery with a no-giving-up mentality despite her chaotic reality. But when Han Dong-seok, a feisty chairman appears, her plans take a different turn. Amid secrets, conflicts, laughter, and tears, will Ma Kwang-sook protect her family and rebuild the brewery?