A mother fears for her son's life after receiving a prank call; a man finds his life in the hands of a 911 dispatcher after falling off a bridge; OnStar helps a diabetic man whose car runs off the road into a sunflower field.
A 911 dispatcher turns negotiator in an all-night SWAT standoff with a suicidal man barricaded in his home; a mother and daughter rely on Onstar to dispatch rescue personnel after they are involved in a severe car crash.