Lord Salwicke is a very rich and influential grandee. He decides that his beautiful daughter, Tasia, who has missed the chance to be a debutante is to marry a friend of his she has never met. Tasia is horrified at the idea and is as stubborn as her father, so she resolves to run away and hide.
As she is passing she drops in on Mrs. Lines Agency and learns that the Earl of Linsdale has two young sons who require a Tutor. She accepts the position and finds that the Earl‘s two boys, Peter and Simon, are on strike against lessons and flatly refuse to be taught anything. Tasia thinks up original and amusing ways of teaching them without their being aware of it and in consequence they are thrilled to be with her and her friendly cocker spaniel, Jimbo. She learns that the Earl vowed never to marry again after an unhappy marriage when his wife left him.
The Earl returns home unexpectedly with two guests, one of them the attractive French wife of a diplomat. How Tasia prevents the Earl from beating his sons for hiding a kitten in the bed of the French visitor. How the Earl finds his sons are being much better taught than he had ever expected. And how when they go to the country Tasia is in danger from horse-thieves and her heart is captivated is all told in this unusual and exciting romance.