In Spring 1973, Private Invesitagor Frank Corbett is hired by Elena Fernández to find her missing brother, Manuel. Frank's search takes him from Washington, D.C. to Buenos Aires to northern Argentina. Along the way, he is aided by an Argentine journalist who helps him understand and navigate the treacherous territory of a country ruled by the military and rife with revolutionary activity. In his search, he encounters presumed enemies who become allies and presumed friends who become enemies. His search ends with an action-packed conclusion that tests the limits all of Frank's abilities.