`Run' ties together the stories of four seemingly unconnected people who are all facing life-changing decisions. Tough single mother Carol must decide whether to protect her children or do the right thing when her teenage sons cause a stranger's death. Illegal immigrant Ying, who has debts she must pay back to a gang, forms an unlikely bond with a barbershop owner. Recovering heroin addict Richard wants to re-establish contact with his teenage daughter. Young Kasia, struggling to make ends meet working as a cleaner, uncovers a startling secret that soon puts her in grave danger.