As Witness for the Prosecution begins, the scene is a British courtroom. Then, the scene changes to a nurse talking to a gentleman in a car. He is tired of hearing Miss Plimson, the nurse, talk, since he just came out of a coma. They pull up to his law offices and go inside; everyone is excited to see Sir Wilfrid Robarts back in the office. He tells them to get back to work immediately.

Robarts and his assistant discuss Robarts' first case, and they are excited to be getting back to work. Robarts inspects his wig, and his assistant explains that there are many clients wanting to work with him. The assistant doesn't want to give him a criminal case, but Robarts wants to get back to heavy-duty work. Miss Plimsoll then tries to get Robarts to go upstairs for a nap, and...