Two women play a deadly game of truth and lies on the road from Istanbul to Paris and London. One woman has a secret, the other a mission to reveal it before thousands of lives are lost. In the shadows, mission controllers at the CIA and French DGSE must put differences aside and work together to avert potential disaster.

Years after a brutal attack left her in a constantly shifting reality, Kirby Mazrachi learns that a recent murder is linked to her assault. She teams with veteran reporter Dan Velazquez to understand her ever-changing present—and confront her past.