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 … Kara Wang, Sarinna Boggs, Terence Yin, Joyce Cheng, Jai Day, Timmy Gunn, Jason Lim Added on HBO 2022-10-08. Youtube Trailer