undercoverplot

noun
UK /ˌʌndəˈkʌvəplɒt/
US /ˌʌndərˈkʌvərplɑːt/

A secret plan made by people who are hiding what they are really doing.

The spies used an undercoverplot to sneak into the castle without being seen.


OTHER MEANINGS

2. A hidden storyline in a story where characters work in secret.

The book's undercoverplot kept readers guessing who the real hero was.

3. A sneaky plan to trick someone without them knowing.

The kids made an undercoverplot to surprise their teacher on her birthday.

4. The secret part of a game where players hide their true goal.

In the game, each player had an undercoverplot to find the hidden treasure first.