1) The underscheme of the plan was revealed when new information came to light.

2) The underscheme of the conspiracy was carefully hidden until the very end.

3) The detective had to dig deep to uncover the underscheme of the criminal organization.

4) She gradually pieced together the underscheme of the mystery.

5) The underscheme of their partnership was based on mutual trust and respect.

6) The underscheme of his clever plot slowly unraveled as evidence was discovered.

7) The underscheme of their operation involved secret codes and hidden messages.

8) The underscheme of the fraud was finally exposed after a thorough investigation.

9) The underscheme of the espionage network was so intricate that it took years to dismantle.

10) They were shocked when they discovered the true underscheme behind the seemingly innocent charity organization.