A young woman finds herself embroiled in Cold War intrigue when her father, a Nobel Prize-winning author, vanishes while travelling near the Russian border. Entrusted by her father with an unfinished book he was working on before his trip, the daughter becomes engaged in a power struggle over the material with her estranged stepmother. Suspiciously befriended by a journalist in the midst of the crisis, the young woman ultimately learns that no one is to be trusted, as her father's work is of interest to the intelligence departments of several countries.