Boulder City Showdown

 is a quest in Fallout: New Vegas.

Quick walkthrough
Jessup is holding NCR troops hostage in Boulder City. The player must stop him and free the soldiers.

1. Meet with Jessup, leader of the Great Khans in Boulder City.

2. Negotiate for the release of the NCR hostages.

3. (optional)Bribe the NCR troops into letting the Great Khans escape.

4. Tell Jessup the Great Khans are free to go.

Detailed walkthrough
1. Enter Boulder City Ruins and go into the great khans hideout. Talk to Jessup. He's the guy on the right.

2. If you have a good speech skill you can convince him to just try and walk out. Otherwise, refer to 3. If you don't feel like finishing this quest you don't need to. The rewards aren't great and after you talk to Jessup he tells you where the man in the checkered suit went so you don't need to finish this quest to continue the main quest.

3. Go back to the guy who gave who gave you the quest(Lieutenant Monroe) and give him 500 caps(or if you have 45 barter skill you can make it less) to let the khans escape.

4. Go back to Jessup and tell him he can leave. He gives you his blessings in the hunt for the man in the checkered suit and he leaves.