Novel
In 1933, when Korea was under Japanese occupation, five people in Gyeongseong are suspected to be “Phantom” spies of the anti-Japanese organization.
Novel
1942, Nanjing (Nanking). Following a series of assassination attempts on officials of the Japanese-controlled puppet government, the Japanese spy chief gathers a group of suspects in a mansion house for questioning. A tense game of "cat and mouse" ensues as the Chinese code-breaker attempts to send out a crucial message while protecting his/her own identity.