Lisbeth Salander, the highly-skilled vigilante from the acclaimed Millennium book series is back. Salander and journalist Mikael Blomkvist find themselves caught in a web of spies, cybercriminals and corrupt government officials, as they race to rescue a dangerous program capable of global destruction held by shadowy figures linked to Lisbeth's past.

It follows the journey of Hope, a young American girl visiting her relatives in Cambodia for the first time. Determined to learn the history of her parents, Hope discovers the story of how one song, PChampa Battambang played an integral part in three generations. Starting with how her parents met and fell in love in 1968, to their fight for survival during the war-torn Khmer Rouge years of the 70s, and finally finishing in the modern day.