After missing her father's funeral, Irin Omar finds her orderly librarian life with the Borobudur restoration project turned upside down as she inherits a safe deposit box containing an unknown item as part of her father's will. Chasing answers across Asia and Europe, her historical knowledge and love for her father persists as she tries to uncover some of the archipelago's biggest hidden secrets while discovering a few familial skeletons of her own.
