A young American woman, Cassie Elliott, suddenly receives an inheritance from her father, who broke up with her mother many years ago and whom she has never seen, a controlling stake in a large London publishing house, and goes to England. Due to circumstances, she is forced to keep her name secret - her father is Katherine Barlow - and go to work at her own publishing house as the secretary of the manager, Miles Gilmore, a young, energetic man, but irreconcilably disposed towards the American heiress, whom he considers a stupid, eccentric upstart . Having decided to prove to him that this is not so, Cassie starts a double game; Soon the business relationship between boss and secretary develops into mutual love, but Miles loves Cassie Elliott, not Katherine Barlow. How to be? Only after many dramatic collisions does everything come to a happy conclusion.