The Avengers: After an attempt is made against his life, Sir Wilberforce Lungi enlists Steed's aid. Steed flies to Tenebra to make enquiries. Meanwhile, back in London, a member of a sinister African society substitutes a dose of yellow fever for the insulin with which Lungi has to inject himself, and also makes an attempt on Dr. Keel's life.

Starring:

Patrick Macnee

Genre:

Action, Comedy, Thriller, Crime, Mystery