Jewish-American writer Jonathan Safran Foer is a collector of his family's memorabilia, although most of the items, some which he takes without asking, would not be considered keepsakes by the average person. He places most of those items in individual Ziploc bags, and hangs them on his keepsake wall under the photograph of the person to who it is most associated. He has this compulsion in an effort to remember. He is able to tie a photograph that he receives from his grandmother, Sabine Foer, on her deathbed - it of his grandfather, Safran Foer, during the war in the Ukraine, and a young woman he will learn is named Augustine - back to a pendant he stole from his grandfather on his deathbed in 1989, the pendant of a glass encased grasshopper. Learning that Augustine somehow saved his grandfather's life leads to Jonathan going on a quest to find out the story at its source where the photograph was taken, in a now non-existent and probably largely forgotten town called Trachimbrod that...