Thea's loathsome stepbrother is trying to trick her out of her inheritance of her parents' beautiful house in the seaside town of Brighton by means of a Will which Thea believes to be forged. He gives her three months in which to leave. Afterwards she will face destitution.

Anna is pregnant and grieving, her explorer fiancé lost at sea. Her violent father drives her from the family home in the back streets of London's Bermondsey and her fiancé's upper-class relatives cruelly reject her.

Daisy is in search of independence, running from a man she doesn't want to marry.

Together the three girls set up Thea's home as a guest house and embark on a mission to outwit her stepbrother by proving his fraud. In a race against time, nothing will turn out to be quite as it seems.