The Ambassador to the planet Atlantis daughter has been kidnapped. Chandler Christianson, a Federation Security field investigator, has been given the assignment to locate and to rescue her from her kidnappers. Atlantis, not being a member of the Federation, resents the Federation interfering with their government. Chandler has to appease not only his boss, members of the Embassy staff, but also a hostile Atlantian Security. With the help of a few members of the embassy staff and his former partner, he works his way through the chain of evidence.