Three unidentified foreigners are found unconscious on their boat; in a separate case, a young boy is locked in a freezer. The group must conduct detective work to ascertain what transpired after three individuals washed up comatose on the strand. Rick finds himself in the middle of a blossoming romance; George is given the unpleasant chore of putting up a dangerous World War II mine; and three foreigners who have been adrift in a small boat for weeks are comatose when they wash up on the island.