1924. Ginger Kelly has fled to safety with disgraced Prohibition agent Oliver Anson Marshall and her newly orphaned young sister, Patsy. But Marshall is reinstated to the agency with suspicious haste and promptly disappears. 1998. Ella Dommerich is eager to piece together the history of the mysterious Gin Kelly, whose only physical trace is a series of rare vintage photograph cards for which she modeled before she disappeared. As Ginger and Ella track down their separate quarries with increasing desperation, the mysteries consuming them take on unsettling echoes of each other, and both women will require all their strength and ingenuity to outwit a conspiracy spanning decades.