 A bank in Baltimore is robbed. The crime was obviously well planned. Yet the criminals only steal $12,000 when much more could have been taken. Erskine and Rhodes dig deeper to find a deceased bank robber in the 1940s would rob a small bank as a practice run before striking a richer target. Now, the FBI must comb through all the dead robber s cell mates to find who is adopting his tactics. A missing button from the Baltimore robbery will prove to be a major clue.