Hotel tycoon Paulsen re-meets an old flame who mistakes him for a waiter. Paulsen's daughter Toni likes hotelier Reno and accepts to work for him as a waitress and chambermaid because she wants to be loved for herself, not her money.

A girl from a boarding school finds a baby and has to keep it because she seems to be the real mother to everyone.

As the title "The Queen's Heart" suggests, this early German black and white version of Mary Queen of Scott's eventful reign and death focuses on her emotional perception rather lyrically, with some songs, mainly by her.