How To Write A Story Synopsis For Film . In addition, screenwriters typically write film treatments before the screenplay. Style like your screenplay, your synopsis should be written in third person, present tense. Write a Synopsis of My Novel Professional Help from best-writing-service.org Under the title, inform your reader of the genre of you screenplay (drama, horror, comedy, etc.). Include all your major contact information, including email, phone number and mailing address. It will push the protagonist forward and it will therefore push the story forward.