In a grand villa on the shores of Lake Geneva, Dulcie’s grandmother nears the end of her glamourous and eventful life. The days pass quietly to the reassuring tick of the Swiss clock – until a visitor comes to their door…

As snow falls upon the Alps, Dulcie sits by her grandmother’s bed, undisturbed until the visitor arrives. He says he must tell her grandmother something urgently - something that will make Dulcie realise the beloved old woman before her is a complete stranger... With deep family secrets unlocked, can she get the answers she needs before time runs out?