The novel 'The Mill on the Floss' by George Eliot follows the lives of sibling characters Maggie and Tom Tulliver, exploring their childhood and adult struggles in the fictional town of St. Ogg's amid familial conflicts and societal expectations. As they navigate personal and financial hardships, their bond is tested by external pressures, romantic entanglements, and Tom's rigid moral views, ultimately culminating in tragedy. The story examines themes such as family loyalty, gender roles, social class, and the limitations of education, leading to a poignant conclusion with their shared demise.