Max and Alicia Carver, seeking refuge from war, move with their family from the city to a rural coastal town where they become caught up in an adventure involving sunken ships, the ghost of a drowned boy, and the mysterious Prince of Fog.

Two brothers, who were rescued during a monsoon when they were infants, are released from a Calcutta orphanage just before their sixteenth birthday and a mysterious man takes an interest in their lives.