A burglar enters the home of a wealthy man and steals a valuable necklace. A reward of $500 is offered for the thief's apprehension. A couple of rube detectives start out to find the robber and succeed in taking into custody the victim of the robbery and the real detective who is on the case.
| Actor | Role |
|---|---|
 Mack SennettSherlock Holmes | Sherlock Holmes |
 Fred MaceDr. John Watson | Dr. John Watson |