A man takes hostages, including Joan, and threatens to execute them unless Holmes finds the person responsible for the death of his son. As Sherlock investigates, the captor gives him 16 hours to find the perpetrator before the statute of limitations on the crime runs out.
Elenco: Jonny Lee Miller , Lucy Liu , Jon Michael Hill , Aidan Quinn , John Noble , Natalie Dormer , Ophelia Lovibond , Rhys Ifans , Sean Pertwee .