The mild-mannered “Josh” (Ben Foster), his wife “Rachel” (Cobie Smulders) and their son “Max” (William Kosovic) have a brand new home and are looking forward to settling in when there is a car accident outside and a tyre comes a-bouncing through their window at a seriously inopportune moment! Needless to say they are a bit flustered and she thinks maybe they ought to move. Well when it happens again, you’d think that’d be a bit of a no-brainer but he is somehow captivated. Not by the accidents, but by the time it takes the emergency services to arrive, and so he decides to do some training…