By Stephanie Kishi, Mike Lyle, Rob Ponte

Thu, Mar 27, 2008 (2 a.m.)

Based on factual events, "21" is the story of six MIT students who won millions of dollars at Las Vegas casinos after becoming experts in card counting.

The movie, opening March 28, will be showing at 15 movie theaters across the Las Vegas Valley.

Theaters that will show "21" and the show times include:

Rave Motion Pictures at 11:15 a.m., 1 p.m., 2:15 p.m., 4 p.m., 5:15 p.m., 7 p.m. 7:40 p.m., 8:20 p.m., 9:55 p.m., 10:40 p.m., 11:15 p.m., 11:55 p.m. and 12:25 a.m. ;

Palms Brenden theaters and IMAX at 11:50 a.m., 12:40 p.m., 3 p.m., 4 p.m., 6:30 p.m., 7:40 p.m., 9:30 p.m. and 10:40 p.m.;

Red Rock Stadium 16 and IMAX at 10:25 a.m., 11:05 a.m., 1:15 p.m., 1:55 p.m., 4:05 p.m., 4:45 p.m., 7 p.m., 7:40 p.m., 9:50 p.m., 10:30 p.m. and 12:35 a.m.;

Village Square 18 at 11:20 a.m., 1:30 p.m., 2:10 p.m., 4:20 p.m., 5 p.m., 7:10 p.m., 7:50 p.m., 10 p.m., and 10:40 p.m.;

Century 16 Santa Fe Station Century 16 Santa Fe Station at 11:15 a.m., 12:55 p.m., 2:05 p.m., 4:05 p.m., 4:55 p.m., 7:05 p.m., 7:45 p.m., 9:55; p.m. and 10:40 p.m.;

UA Rainbow Promenade 10 at 1:10 p.m, 4:05 p.m., 7 p.m. and 10 p.m.;

Century Orleans 18 at 12 p.m., 1 p.m., 3 p.m., 4 p.m., 5:55 p.m., 7 p.m., 9 p.m. and 9:50 p.m.;

UA Showcase 8 at 1 p.m., 3:50 p.m., 6:40 p.m., 9:30 p.m. and 12:20 a.m.;

Texas Station Stadium 18 at 12:40 p.m., 3:35 p.m., 6:30 p.m., 9:25 p.m. and 12:20 a.m.;

Galaxy Neonopolis 11 at 11:30 a.m., 2:05 p.m., 4:45 p.m., 7:30 p.m. and 10:15 p.m.;

Galaxy Cannery 16 at 11 a.m., 11:30 a.m., 1:35 p.m., 2:05 p.m, 4:10 p.m., 4:40 p.m., 7:20 p.m., 7:50 p.m., 10 p.m., 10:30 p.m., and 11:45 p.m.;

Sam's Town Century 18 Sam's Town Century 18 at 11:50 a.m., 1:10 p.m., 2:45 p.m., 4:05 p.m., 5:50 p.m., 7:05 p.m., 8:50 p.m. and 10 p.m.;

Sunset Station Regal 13 at 12:20 p.m., 12:50 p.m., 3:30 p.m., 4:05 p.m., 6:40 p.m., 7:10 p.m., 9:45 p.m. and 10:15;

South Point Century 16 at 12:10 p.m., 1:20 p.m., 3 p.m., 4:10 p.m., 5:50 p.m., 7:05 p.m., 8:40 p.m., 9:55 p.m. and 12:01 a.m;

Fiesta Henderson Regal Stadium 12 at 12:30 p.m., 3:20 p.m., 7 p.m. and 9:50 p.m.

The 2-hour long movie is rated PG-13.