Un día cualquiera, a finales de los años setenta, la protagonista abrió la puerta de su casa y vio cómo su madre se iba en una motocicleta Harley-Davidson con su vecino: un extravagante pintor y lector de cartas zodiacales. Muchos años después, narra a su hija las circunstancias que llevaron a esa partida y también las que la precedieron en un relato que reúne a tres generaciones de mujeres y casi seis décadas de acontecimientos históricos...

Separated by time but united by sacrifice, four women experience love, loss, war, and hope from the rise of Nazism to the fall of the Berlin Wall as they embark on journeys of self-discovery and find themselves to be living testaments to the power of maternal love.

"The story of Merope, the missing sister, is waiting to be told ... Following Georg Hoffman's revelation that he may have found The Missing Sister, Maia and Ally discover that all they have to go on is an address of a vineyard in New Zealand, plus a drawing of an unusual star-shaped emerald ring. Deciding that CeCe, who lives in Australia, is the closest, they send her to investigate with her partner, Chrissie. So begins a race against time to identify...