Comedy sequel to 'K9' (1988) directed by Charles T. Kanganis and starring James Belushi, Christine Tucci and James Handy. Detective Dooley (Belushi) and his police dog Jerry Lee continue their fight against crime but after ten long years of service they are beginning to feel their age. After they fail to prevent a number of attacks made by a mad gunman, Dooley and Jerry Lee are partnered with the no-nonsense Sergeant Welles (Tucci) and her fearless pet Doberman Zeus. They must all come together as a team in order to catch a dangerous, obsessed stalker whose fixation on Dooley threatens to have dire consequences.