Comedy of errors as five buddies set off for a lost weekend in Las Vegas. When their best friend Nathan (Jonathan Bennett) opts to get married, Z-Bob (Kal Penn), Eli (Aaron Himelstein), Ash (Donald Faison) and Johnny (Charlie Talbert), decide to send him out in style, with a trip to the city of sin. Everything goes well until they discover that their party planner is actually a bank robber aiming to turn over a casino. Now, falsely implicated in the robbery, the boys are on the run from the police, casino security, a female Elvis impersonator and a porn star's psychotic boyfriend. Can the boys survive their weekend in hell?