Retirement village resident Branko Budjiman is pushed down a flight of stairs in his wheelchair and kicked to death. His son and fiancee are suspects.

With their undercover assignment posing risks at every turn, Jennifer and Nick must place their trust in their handlers at the Secret Intelligence Service. Back at Homicide, their colleagues are unable to let the Supomo case rest and through their search for evidence, discover Jennifer and Nick's new assignment is a matter of national security.