Original sentence: Towards the end of the play, Sergeant Trotter assembles everyone in the dining room with the plan to set a trap for one of the suspects, but there is a twist in the play's ending
Edited sentence: Meanwhile, it is also revealed that Major Metcalf is, in fact, an undercover police detective, looking for the murderer.Towards the end of the play, Sergeant Trotter assembles everyone in the dining room with the plan to set a trap for one of the suspects, but in the play's twist ending, it is revealed that Sergeant Trotter is not a policeman at all, and is in fact the murderer