Zoe Miller is the idealistic, "straight-edge" 23 year-old "shoegazer" guitarist with a troubled past. To further her musical career, Zoe convinces her bassist boyfriend Jake Reed and slacker drummer Bill "Trippy" Hansen to play at the SXSW Music Festival. With no money and even fewer connections, they consent to drive a jet-setting Texas billionaire's white Cadillac from New York City to Dallas through a drive-away car service and soon find themselves stranded in Big D for 3 days and nights. Forced to befriend 2 nouveau riche douchebags who get the band embroiled in an underground ecstasy ring and beguiled by the decadent lifestyles of their scheming Texas hosts, the band go on the run to New Orleans.