The A Word is a BBC drama television series based on Yellow Peppers by Keren Margalit. The series follows a 5-year-old boy - Joe Hughes and how his dysfunctional family cope with the revelation that he is autistic.The Hughes family work and love and fight like every other family. After their son is diagnosed with autism and they don’t feel like every other family anymore.He displays clear signs of communication problems and consistently isolates himself by playing rock music, mostly to himself, through large blue headphones.