A young woman lives, hidden in plain sight in a ruined Hong Kong building after a tsunami destroyed the city - a castaway on a concrete island. Her concealed existence is changed forever when a small child literally floats into her life.

A young woman lives, hidden in plain sight in a ruined Hong Kong building after a tsunami destroyed the city - a castaway on a concrete island. Her concealed existence is changed forever when a small child literally floats into her life.