Grocer F. Millard Smyth decides to buy a store in Fairbanks, and vacations at Harding Lake, only to find himself involved in another murder case (Murder Breaks Trail his first appearance). Two killings involve six suspects, pretty well isolated by storm, and Sth, achieving his ambition, is able to work with the law in apprehending the killer. Offering himself as bait, he is successful. An adequate mystifier.