She can't trust anyone. Not even herself . .
Sarah Collier has been lucky: she's got a glittering scientific career and a husband who loves her more than anything. But now she's showing signs of early Alzheimer's, and the only hope for a cure is in a controversial new technology being unveiled in Switzerland.
In Geneva, as events turn dangerous and her memory loss worsens, Sarah has to decide who to trust: the people around her - or, despite her symptoms, herself.