The Cheng Detective Agency is hired by the CIA to investigate the murder of a US sailor.

Woman returns from exile in China to search for her husband, separated at outset of World War II.

A journalist saves Patricia after she is attacked during a riot.

While trying to sort out Kang's gambling debts, Sam is reluctantly drawn into the detective agency's investigation of whether Claire Simpson's husband, Frank, has been accepting kickbacks from clients. If the allegation is proven to be true, Frank's boss, Maxwell Black, will kick Frank out of the company and Singapore, separating Sam and Claire forever.

Claire insists that Sam investigate how ineffective medicine is being distributed to sick children.

Sam and Patricia are stunned when a newborn baby is left on the agency's doorstep.