Disillusioned with her life, Maria Santiago decides to break away from her boyfriend, Hector Perez, leader of tile Diablo Boys, Chicago's largest Street gang. Maria soon finds that some liaisons are more difficult to end than others as her decision to leave becomes the catalyst for a citywide pursuit by Hector and his army of street thugs.Fleeing through Chicago's vast underground network of subways and parking garages, Maria runs afoul of a covert government operation. With Hector's gang, government assassins and the Chicago police all converging to block her way out, Maria's day soon holds the potential of being her last. Driven by a need to make good on broken promises, Maria scrambles to stay one step ahead of the pursuing pack as the hours stretch into two of the longest days of Maria's life.