When two U.S. agents are executed and a third goes missing, the government can no longer deny that one of its units has been compromised. A mole is passing on sensitive information to an international human trafficking ring, putting the agency's people in jeopardy. To plug the leak and rescue the missing operative, Mack Bolan will have to go in under the radar and take on the crime syndicate solo. But Mack's not the only one looking for the missing...