House of Harmony and Vengeance (2012)

When street musician Tai Mingbut passes himself off as Imperial Music Bureau director Kiu Bolung in order to escape government officers, he gets pulled into a case of mistaken identity as the real Bolung lost part of his memory in a fire. To complicate things even further, they are joined by two women at the music bureau who become confused by the swap in the men's identities.