The sudden death of two friends involves Tom with a botanical research unit on a lonely island.

A secret military exercise that ends in disaster, frightened villagers and his brother found wandering on a hillside sends Tom in search of an old enemy.

Tom Begins to have doubts about Julia's death. Is she still working for the department or is someone out to get him?

Michael has been discharged from the hospital but seems to be suffering from strange dreams. Tom confides his fears to Scott-Erskine.

Tom becomes the guinea pig in an investigation which leads him, and the research team, to a house where they find more than they bargained for.

Tom Crane goes to Edinburg in search of an occult practioner, only to find himself the centre of the devious schemes of others. Tom slowly begins to realize that he has certain psychic abilities while doing research on a story. Unbeknowst to Tom, a secret government agency has been monitoring him. Once they begin to understand that Tom is gifted, they want to discover his full range of abilities and try luring Tom into working for them.

A boy is suspended from school for vandalism. When the boy shows he has abilities that could have destructive consquences, Martindale becomes interested, so does someone else.

Dr. Karl Bruckner has been brought over from East Germany to work for the department and finds himself the centre of a power struggle.

Anne leaves Edinburgh and Tom sets out to find her; but there are several other interested parties behind him.

A group of students and a ouija board involves Tom in a situation which has terrifying consequences.