William and Sherlock circling each other over a ruined painting, both pretending they're not there for the same reason. The OVA knows exactly what its fans came for: two episodes of watching these men navigate proximity without breaking character. The second episode drops all pretense and just lets them be a family trying not to murder each other over tea service, which is where the real tension lives.
William Moriarty returns in two standalone tales that peel back the layers of his carefully constructed criminal empire. In the first episode, a series of vandalized paintings at a prestigious English resort draws William into an unexpected reunion with Sherlock Holmes. Both men circle the same mystery, each unaware of the other's true agenda, as they navigate the elegant spa town of Bath where nothing is quite what it seems. The second episode shifts tone entirely, dragging William and his associates into domestic chaos when the Moriarty household must host a formal tea party for high-society women. What should be a simple social obligation becomes a minefield of potential exposure, forcing the brilliant criminal mastermind to orchestrate his most delicate operation yet: keeping up appearances while preventing his dangerous secrets from spilling out. These OVAs blend psychological tension with dark humor, offering glimpses into William's world beyond his grand schemes. They work best for viewers already invested in his character but stand well enough on their own.