Four old friends decide to shake up their unhappy, monotonous lives with a friendly bet and set off a series of unexpected events.

After failing to apprehend the terrorist behind a Paris attack that claimed dozens of lives, CIA agent Alice Racine is forced to live in London as a caseworker. Her mentor unexpectedly calls her back into action when the CIA discovers that another attack is imminent. Alice soon learns that the classified information she's uncovered has been compromised...

Lillie, a determined American woman, ventures overseas to join Dr. Jude at a remote medical mission in the Ottoman Empire (now Turkey). However, Lillie soon finds herself at odds with Jude and the mission’s founder, Woodruff, when she falls for the titular military man, Ismail, just as the war is about to erupt.