A couple of new engines arrive on Sodor, one of whom starts causing trouble, forcing Constable Joey to take action.
Tropes featured in this episode:
- Batman Gambit: The sabotage Colleen does holds up several LNER trains.
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First Appearance: Of Flying Scotsman, Geoffrey and Colleen. - Meaningful Name: Title wise: a sting is when police catch a criminal via undercover, which is exactly what happens here.
