Rick Castle and Kate Beckett find themselves on the run from the mob with a witness in tow.
While Castle is the most common association for this specific query, other series also have an episode 5x08 with similar titles or themes: Power: Season 5, Episode 8 - Rotten Tomatoes [S5E8] After Hours
The phrase "useful feature" in relation to most likely refers to a real-world safety tip discussed by fans regarding the Castle episode of the same name . Rick Castle and Kate Beckett find themselves on
