An explosion at a traffic stop puts Holmes and Watson on two separate tracks of investigation as they try to determine whether the attack was gang-related or a terrorist attack. Holmes and Watson suspect there is more for them to discover regarding the recent attack on someone within their inner circle.
Elenco: Jonny Lee Miller , Lucy Liu , Jon Michael Hill , Aidan Quinn , John Noble , Natalie Dormer , Ophelia Lovibond , Rhys Ifans , Sean Pertwee .