The Crown of Tears follows the life of Refugio Chavero, a hardworking and self-sacrificing mother who struggles to raise her three sons—Patricio, Edmundo, and Ignacio—alone after being thrown out of her home by her husband. Years later, Refugio continues to dedicate her life to her children, despite the hardships and the growing distance caused by their different paths in life. The central conflict arises when her eldest son, Patricio, becomes ashamed of his humble origins and his mother's modest lifestyle as he climbs the social ladder as a lawyer. As Patricio turns his back on his family and aligns himself with manipulative figures, Refugio must fight to keep her family together while battling health issues and the emotional toll of her son's rejection. The series explores themes of maternal sacrifice, class struggle, and the painful process of forgiveness.