I was leaving Las Vegas at 3:40pm on a flight to St. Louis (Champion Air owned by Northwest). We backed out on the runway and sat for two hours with no air conditioning and an obnoxious drunk (they had to kick off)then pulled back up to the terminal for another hour to fix engine # 2, before leaving for St.Louis, thank god they announced that their best mechanic would fix it right up. Well after an hour and a half in the air we lost engine #2 some where over Colorado, and so they made an emergency landing in Denver where we spent the next 6 hours waiting for another plane that we missed as we were detained by security who told us we needed a airline representative to come get us through security (they never came, we waited 1 1/2 hours for someone to come) when we finally found someone from the airline they informed us that there was nothing they would do for us and that our bags were locked up and we could get them at 5 am, we waited and found out at 6 am our bags had went to St. Louis without us (a saftey violation) they offered to take 1 of us back to vegas and TRY to find space on a flight (leaving at midnight) from there. We declined that offer of course, then we were told there was nothing else they could do that we would need to call Worry Free Vacations/MLT Vacations help line and ask them what to do. We called and they got us a flight out at 8 am on a Northwest flight to Memphis and then another flight to St. Louis but we HAD to pay for it! In the end it took us 31 hours to get to St. Louis from Vegas and 2 more hours to drive home making that a total of 33 hours without sleep. The company MLT vacations otherwise known as Worry Free Vacations had made our Worry Free Vacation a NIGHTMARE. They were rude, incompetent, unprofessional and I would not recommend them to even my enemies.