On a morning run a retired FBI agent stumbles upon an injured man. When he finds the man has been shot and those responsible are closing in on the house, he becomes trapped in an all too familiar world that could spell his own demise. Unarmed and unprepared, he hides in the cellar. As he listens from the confines of the darkness he learns he is not the only one trapped in the house – and worse – these four violent Eastern Europe mobsters need to cover their tracks quickly and it is not the law they are worried about! In this fast-paced, action-packed thriller there is only one thing that is certain. Once you are inside the "Lion's Den", it is kill or be killed and there is only one way out.