The Fault in Our Stars is about a teenage cancer patient named Hazel who falls in love with Augustus, a former basketball player who lost his leg to cancer. They bond over their shared experiences and illnesses but their friendship is tested when Augustus' health declines. The film appeals to its target teenage audience through its portrayal of characters their age dealing with cancer and other serious issues. It was successful because it was based on a popular book that brought awareness to the story before the film was released.