Esme: eldest child, control-freak, perfect wife. In fact, her husband has run off with his dentist and their teenage daughter is live-tweeting the entire mess to her 3,000 followers.

Liv: middle child, fiancé stealer, squatter. Holed up in her ex-husband's apartment with her acupuncturist and a bottle of whiskey.

Ru: youngest child, writer, runaway. Hopes to find inspiration for her second novel whilst fleeing her fiancé.

One-by-one the siblings return to the family home, where a box of old letters awaits them containing the answer to the mystery they have all lived with, until now: who was their father, and why the hell did he disappear?