Isabel's new boyfriend Frank, an all-star baseball athlete, gets robbed, and Walter steps in to help find his stolen collectibles. But in the process, Walter learns Frank has lost something more meaningful than memorabilia. Then, to earn Willa's trust, Leo and Walter bring her in on the case.

Dr. Jack Hodgins from the Jeffersonian team seeks Walter's help to find evidence that could expose extraterrestrial activity. Meanwhile, Timo and Willa struggle with their arranged marriage proclaimed by the head of their gypsy family.