London 1957: Iris Bailey is bored to death of working in the typing pool and living with her parents in Hemel Hempstead. A gifted portraitist with a talent for sketching party guests, she dreams of becoming an artist. So she can't believe her luck when socialite Nell Hardman invites her to Havana to draw at the wedding of her Hollywood director father.
Far from home, she quickly realizes the cocktails, tropical scents and azure skies mask a darker reality. As Cuba teeters on the edge of revolution and Iris's heart melts for troubled photographer Joe, she discovers someone in the charismatic Hardman family is hiding a terrible secret. Can she uncover the ugly truth behind the glamour and the dazzle before all their lives are torn apart?