Lexie lives in London with her colourful Greek-Cypriot family - and she's devoted to her fragile cousin of the same age, Eleni, who has a heart condition. But after the death of their grandmother, Lexie tells a terrible, instinctive, jealous lie about an heirloom necklace, a lie that splits the family apart. It's up to her to bring the family back together ... but after such a lie, can she find a way to tell the truth?