Professor Fischer finds that his bank account has been credited with funds from the Archaeological Exploration Trust. This puts the scholar in a hot spot as he has to explain the reasons for his receiving the money. Peter tries to solve the mystery by hunting through the memory circuits of a top secret computer.

Deb and Hone go to one of New Zealand's famous blacksand beaches to catch the waves while Pete joins the Beach ranger who has a different catch on his mind - poachers.