Randall & Hopkirk (Deceased)

In the week before private detective Marty Hopkirk's wedding to waitress Jeannie Hurst, he and his partner, Jeff Randall, get a job from famous artist Gordon Stylus to watch over his wife, as he fears for her safety. In the course of the assignment, Marty is killed, and the grieving Jeff and Jeannie must investigate how he died, which then endangers their lives. Fortunately Jeff begins to get help from Marty's ghost, which only he can see. Marty fails to get back to his grave in time and is cursed to walk the earth for the duration of Jeff Randall's life, visible only to him...

Jeannie joins the private detective agency, and investigates the repeated disappearance of money from the till of a local casino. Meanwhile, Jeff goes to a private psychiatric clinic run by Dr Lawyer, to try to get over Marty's death and rid himself of the ghostly apparitions. Marty gets tutorials in being a ghost and doing impersonations from his mentor Wyvern. After Jeannie solves the case at the casino, the detective agency's offices are broken into, and the trail leads Jeannie back to Jeff at the clinic.

When Jeannie senses that her nephew, Daniel, is unhappy at his boarding school, she quizzes him about it, and he lets on that he thinks a teacher was murdered. Jeff and Jeannie get jobs there as teacher and nurse, to investigate, and find that the headteacher is exerting a sinister influence on the boys.