Seven pairs of dismembered feet wash ashore after a recent flood on the U.S.-Canada border, but things don't add up when six pairs of feet are identified as research corpses from a nearby university body farm. Brennan teams with forensic podiatrist Dr. Douglas Filmore to solve the case. Meanwhile, Cam gets in hot water when she makes college plans for her daughter behind her back.

The remains of a maritime museum security guard are found in the Florida Everglades after an attempt to steal an obsolete 17th century nautical chart fragment used to find treasures. In order to solve the crime, Booth seeks out Walter Sherman, a former Iraqi soldier with an uncanny gift to unearth anyone and anything. Meanwhile, Brennan puts Sherman's remarkable skill to the test, and Booth harbors cold feelings toward his former military comrade.