Premise: Revelation of the Last Hero is a 1992 Hong Kong "wuxia" romance television series produced by TVB and starring Aaron Kwok, Noel Leung, Ada Choi, , Frankie Lam and Bryan Leung. The theme song of the series, titled "Breeze in the Frost" (霧裡清風) by was sung by Kwok.
Hypothesis: The TV series used another TV series theme song