The detectives investigate some supernatural goings-on at a hotel hosting ghost weekends.
Jeff's ex-fiancee asks him to re-investigate the case of her missing father, an Egyptologist.
Jeff and Jeannie visit a remote Scottish island to investigate the apparent suicide of a young gay man.
Jeff and Jeannie run into trouble in the laboratory of a mad scientist involved in pain research.
Marshall and Snellgrove. Old tensions and animosities are awakened when the two sleuths discover they have been hired to work on the same case as two rival detectives.
Jeff, Jeannie and Martyfind themselves embroiled in the dark dealings of a religious cult when they depart for Latvia in search of a kidnapped baby.
Jeff and Jeannie help a man who believes his father has come back from the dead. Marty is banished to the afterlife after a tiff with Jeff.
