Sarah began writing screenplays when she was 12 years old, but filmed her first horror short film in 2013 based on a screenplay she and a friend wrote together called 'Man in the Forest'. In 2017, Sarah filmed her first feature film, the award-winning indie horror Sargad (Swedish: Wounded), for which she also wrote the screenplay, played the main character, and did some of the special effects. Sarah wrote the screenplay for the multiple award-winning short film Rotten Love (2017) and also starred as the main character Kat.