Bill Lucas has completed his tour in Vietnam, looking forward to meeting his baby daughter when an ambush and explosion changed everything. Lucas was classified as MIA and assumed to be deceased, but his wife Susan maintains her belief that he is somehow still alive. Jim Carlson's obsession to find his friend epitomizes the Marine Corps motto of "Semper Fidelis" ("Always Faithful"), but it cost him his marriage and almost his career. A chance encounter by a tour group causes a surprising sequence of events, reminding us of the incredible power of love, luck, and faith.
