Along the US/Mexico border in Arizona, Jim Hanson (Liam Neeson) a rancher and Vietnam war vet, is going through a tough time. His beloved wife just passed away from cancer and the bank is about to foreclose on his vast property. His quiet life is suddenly disturbed by the unexpected arrival of two illegal immigrants crossing the border onto his land – a mother and her young son, who are desperately fleeing a brutal Mexican cartel.