Desc: The Lion's Den: Directed by Sam Newfield. With Tim McCoy, Joan Woodbury, Don Barclay, J. Frank Glendon. Merwin hires Barton to fight Welsh, but when Barton arrives in town, Welsh mistakes him for the hired killer Single-Shot Smith. Figuring he can help Merwin by being part of Welsh's gang he hires on as Single-Shot. But soon the real Single-Shot appears.