When their ocean liner capsizes, a group of passengers struggle to survive and escape.

After being double-crossed and left for dead, a mysterious man named Walker single-mindedly tries to retrieve the rather inconsequential sum of money that was stolen from him.

Harper is a cynical private eye in the best tradition of Bogart. He even has Bogie's Baby hiring him to find her missing husband, getting involved along the way with an assortment of unsavory characters and an illegal-alien smuggling ring.