When linguistics professor Henry Higgins boasts that he can pass off Cockney flower girl Eliza Doolittle as a princess with only six months' training, Colonel George Pickering takes him up on the bet. Eliza moves into Higgins's home and begins her rigorous training after the professor comes to a financial agreement with her dustman father, Alfred. But the plucky young woman is not the only one undergoing a transformation.

Over several decades throughout the late 19th-century and early 20th-century, Mr Arthur Chipping rises from a shy, nervous teacher to the beloved, revered headmaster of Brookfield School, with his life and career shaped by his love for his wife and his unwavering dedication to his students.