London, 1920. During the day, Arlette works at the Liberty department store, and spends her nights in a glamorous whirlpool of parties, cocktails and jazz. But this gloomy world is full of dangerous temptations, and Arlette one day falls into its trap. Our days. Twenty-year-old Betty Dean goes to the capital. She can't wait to start an independent life, but to do this she needs to find the mysterious woman to whom her grandmother left an inheritance. Betty is immersed in the atmosphere of the “Jazz Age”, and the past is gradually intertwined with the present, and family secrets threaten to destroy the future.