The Alice Network by Kate Quinn

In 1947, an unconventional American socialite teams up with a traumatized former spy to hunt down a traitor from a World War I female espionage ring.

This book contains: abortion, alcohol/abuse, coerced intimacy/sexual activities/nudity, deception, derogatory terms, dubious consent, gore, inflammatory gender and social commentary, mass murder, profanity, PTSD, rape (referenced), smoking, suicide, torture, violence, and war.