While on vacation, the agents receive an odd welcome when they pass through the town of Justice, Nevada. The town turns out to be the hangout for a group of international criminals assembled by Lucrese Posey. West and Gordon discover that Lucrese is planning on heading a worldwide criminal organization. After dealing with the other criminals, the two agents find themselves left with only Lucrese to deal with, a proposition not nearly as simple as it seems.

Agents West and Gordon are sent to investigate the killings of wealthy industrialists and find that all are linked back to an evil matchmaker, Emma Valentine. She sets the rich men up with her young female employees and then kills them to gain their money and power. West and Gordon manage to escape from the trap she lays and must prevent her next target from getting married.

The stress of Secret service work appears to be finally getting to Jim as his temper flares and he makes mistakes. As West is being recruited by some member of the underworld who seeks to capitalize on his misfortune,Artemus and Conel Richmond struggle to find out exactly who,for what,and why.

Strong Bear's Sioux Indians are making noises about breaking the peace treaty. President Grant's first three messengers failed to return from meetings with the Indian leader; now it's up to Jim and Artemus to find Strong Bear and to keep peace in the territory.