Klara Müller , a young nurse,has come with her boyfriend Jörg to Paris; she hoped that Jörg would ask her to marry,but instead of that he tells her that he has got a promotion.So Klara decided to separate,she will stay for a time in Paris.Klara finds a job as caretaker of Mrs Jeanne Clement, whose son Philippe Clement is manager of a factory of luxury watches.Little by little Klara and Philippe feel well together, but Philippe has a girlfriend Zoe who is quite jealous.