Bianca Berger is a young woman with a dark secret: despite her innocence, she has been in prison for four years. After her release, she falls in love with Oliver Wellinghoff, son of a wealthy banker's family, but their relationship seems to have no future because Oliver's engaged to Judith Simon. As Bianca and her intriguing cousin Katy become employees of the Wellinghoff family, they are involved in many affairs, secrets and lies...