Part 8/10:
As the investigation evolves, unearthly occurrences emerge; Henry experiences night terrors, leading him into a spiral of gunfire and chaos during a therapy session. A pivotal revelation unfolds under the dim lights of Baskerville; Sherlock deduces that Henry's hallucinations may be linked to a drug he unknowingly encountered.
A critical turning point unearths Project HOUND, which had been abandoned after disastrous testing on subjects caused gruesome outcomes. Sherlock realizes Dr. Frankland is not only tied to the project but has brought its terror to life once more.
Climactic Confrontation