Out in the world for the first time since escaping horrifying government experiments, six children make their way toward the Lake House in the hope of being reunited with Kit and Frannie, a couple who once saved their lives.

In 1946 Eva arrives in New York City, from the rubble of Berlin, supposedly looking for a new life, but actually seeking justice against the Nazis that "escaped" with the help of the CIA; one in particular, the doctor who knows who Eva really is, because her identity is the product Project Bluebird, an experiment of the concentration camps involving brainwashing and mind control, which both the Americans and the Soviets would like access to--and Eva...