Dr. Mortimer approaches Sherlock Holmes and Dr. Watson after his companion Charles Baskerville is seen as dead. He clarifies that the Baskervilles have been reviled, pass on brutal and ridiculous passings, and are spooky by a massive dog with gleaming green eyes. Holmes and Watson take the case.
Climax
Sir Henry, the current beneficiary, has gotten a secretive admonition. He is apprehensive he will be the following casualty of the revile. Sherlock Holmes and Watson need to find reality with regards to the Hound of the Baskervilles and Henry's destiny.
Falling Action
Sherlock sends Watson to explore at the Baskerville domain. While there, he meets many individuals associated with Sir Henry, including a strange man named Stapleton who tries to avoid the way that Sir Henry is keen on his "sister" Beryl.
Resolution
After Stapleton's dubious response to a got away from convict kicking the bucket by the secret dog, the investigator defies Ms. Lyons who uncovers that Stapleton is the one attempting to kill Sir Henry. They head to his home to lay out a snare and catch him in the demonstration.
Sir Henry is nearly killed by a massive dark dog with blazing eyes. Holmes kills the canine, who is covered in phosphorous (subsequently, the sparkling eyes). The arrive at Stapleton's home and with the assistance fo Beryl (his better half) they understand Stapleton has gone to the swamp where he kept the canine and has apparently been sucked under and suffocated.
Reality comes out: Stapleton is really Sir Henry's tragically missing cousin, who attempted to kill of Henry so he could guarantee the Baskerville title. He is at the lower part of a swamp, so Henry is currently protected. Holmes and Watson return to London, fulfilled that the case is settled.