In Hong Kong, identical twins are born to Mrs Ma during her holiday. A criminal snatches one of the twins, leaving the other behind. Years later, John Ma, a renowned conductor and pianist, is unaware that his twin brother Boomer is a mechanic, race car driver, and bodyguard in Hong Kong. When John returns to Hong Kong for a concert, the twins' paths cross, leading to chaos and misunderstandings.

Twin Dragons
Twins born simultaneously grow into vastly different individuals, with one exceling as a skilled mechanic and the other becoming a renowned conductor. A twist of fate brings them together, causing a chaotic and comical blend of their lives.