Sam Logan turns up on the doorstep of John Holbry, a former bounty-hunter-turned preacher. Sam is dying and asks that John claim the reward money in order to build a church.
Mannix is hired by attorney Noah Otway to find out why someone tried to kill Otway's client, Dr. Graham Aspinall, a renowned surgeon whose specialty is removing tumors that are otherwise believed to be inoperable.
