Use this as a tool for your locked and private stories to cover up major reveals or plot twists. Also Use It To Make It Mean You Can't Find The Person For The Role.
Spoiler
The Stranger
for The Stranger in Sodor: The Island Where Trains Weep
Suggested by ringothedrummer
When memories slowly begin to flood back in their heads, Thomas and his friends must question who they were and what happened to them.