A 99-year old World War ll veteran believes his neglect led to his grandmother's disappearance, or worse, her murder; hoping to allay his fears, Jane and Natasha dig into the past.

Seventy years ago, a Philadelphia mother vanished, leaving three young children behind; with Jane and Natasha's help, they go in search of answers: Did their mother fake her death, or has she been living under a false identity all along?