The third volume finds XIII in a facility for the criminally insane. Amos, still pursuing his investigation, realizes that XIII was a body double for the real Steve Rowland. Amos requests Carrington's help to identify people who have been trained as top-level special operators and match XIII's physique; Amos's aim is to discover XIII's true identity. Carrington provides the papers of about twenty people. One named Ross Tanner has been missing for two years. Amos decides to leave XIII in prison to have his amnesia treated. The treatment fails, and the Mongoose tries to have XIII killed in the prison, but he fails, and Carrington helps XIII break out.