Four young people are enjoying the easy life, cruising on a yacht in the sun. Returning to land their car runs out of fuel and they find themselves outside a large manor belonging to Lord and Lady Alexander. Hoping to find fuel they are invited in to stay the night and shelter from a heavy storm. The three men are put up in the servant's quarters while Jane gets a room in the house. Hearing a strange noise she heads down stairs, finding the Alexanders performing a black mass and she is put onto the altar to become the sacrifice

A criminal organization has obtained two nuclear bombs and are asking for a 100 million pound ransom in the form of diamonds in seven days or they will use the weapons. The secret service sends James Bond to the Bahamas to once again save the world.