Macmillan Readers: Don't Tell Me What to Do

Tom is given a lift in a car by a middle-aged man and an attractive young girl. The man says he needs someone small and strong to recover his property from a sunken ship. Tom is attracted to the girl and the glamour of the job - diving for lost diamonds. But one man has already died trying to get the small plastic bags out of the cramped hold of the sunken ship.