On her 16th birthday, Gwendolyn Shepherd finds out that instead of her cousin, she has inherited a rare gene that allows her to travel through time.
Gwen has just discovered, that she's the final member of the secret time-traveling Circle of Twelve. Now she has to juggle with constant trips to the past, her relationships with Gideon and figuring out dark secrets surrounding the Circle.
Warsaw, Poland, during the Cuban Missile Crisis, 1962. Josh Mansky, a troubled math genius and former US chess champion, is recruited to hold a dangerous public match against the Soviet champion, while playing the deadly game of espionage hidden in the darkest shadows of a hostile territory.
