A high school prom faces a deadly threat: a flesh-eating virus that spreads via a popular brand of bottled water.
Sinaloa hitchhikes into Texas to meet Merle, her half-sister by way of their dead country musician father. As the two get to know each other, Sinaloa's chaotic influence starts to unravel Merle's quiet, comfortable life. While the family music legacy brought Sinaloa to Austin, she won't leave without taking revenge against the people who stole her daddy away years ago.
