Stubborn but brilliant Detective Grace Gibbs is obsessed with avenging the murder of her junior officer. Charlie Fung, a new trainee detective blames his supervising officer Grace for the death of his best friend. Mani is a young Iranian medical student who is part of a crowded share house of international students. He is an off-the-books worker at an inner-city convenience store, run by greedy owners, . When a violet fugitive holds up the convenience store, Grace and Charlie are called in to investigate, setting off chain of events with devastating consequences.