Stubborn but brilliant Detective Grace Gibbs is obsessed with avenging the murder of her junior officer. Charlie Fung blames 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 a worker at an inner-city convenience store, run by greedy owners. When a violet fugitive holds up the store, Grace and Charlie are called in to investigate, setting off chain of events with devastating consequences.