Ossowski worked at various jobs, including sales clerk, factory worker and photo lab assistant. Beginning in the 1950s, she also wrote short stories under her pen name. On a visit to the GDR in 1953, she received a commission from the state-owned film studio DEFA for a screenplay. She wrote the script for Zwei Mütter,Zwei Mütter auf defa-stiftung.de which was directed by Frank Beyer and premiered on 28 June 1957. A year later, she published the novel (Star Without a Sky), which was later made into a film.
