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\u2019s debt, four brothers-in-law who still feels awkward, and the rumor calling her a vicious woman who devoured her husband is what\u2019s 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 Hand 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?