Iraq veteran Walter Sherman helps a teenage boy locate his missing father, a military pilot who vanished while on a mission; Leo and Walter keep a watchful eye on a teen parolee.

A former prison warden asks Walter to find the bullet that could exonerate a death row inmate; FBI psychologist Dr. Lance Sweets evaluates Walter's ability to consult on federal cases; Willa gets herself in trouble at a beach party.

A NASA scientist asks Walter for help finding a woman he met at a bar, using the red stiletto she left behind as the first clue; Willa exposes Leo's family secret.

Walter tries to help when Isabel's new boyfriend, a baseball star, is robbed; Leo and Walter bring Willa in on the case in hope of earning her trust.

An amateur magician's (Jonathan Slavin) assistant vanishes during an ambitious disappearing act; Leo asks Isabel for help finding Willa.

Dr. Jack Hodgins ("Bones") asks Walter to help find evidence of extraterrestrial activity; Timo and Willa try to deal with their relationship.