A demented nun sliding through morphine addiction into madness, while presiding over a regime of lesbianism, torture and death. Sister Gertrude is the head nurse/nun in a general hospital, whose increasingly psychotic behavior endangers the staff and patients around her.

Paul Stark and young Joe Massi, two rally drivers, are rivals in the race, but that's not all: Paul discovers that his wife Sandra and Joe are having an affair. In a Safari Rally in Kenya, the two teammates are competing for the lead. Paul refuses to accept this and tries to boycott the race, but Joe participates anyway.