Dua kakak adik ragu bahwa ayah mereka adalah seorang agen rahasia dengan keahlian seni bela diri luar biasa, setelah komplotan para penjahat menculiknya. Kini, mereka harus segera menyelamatkannya.
Teddy Yu is a former secret agent turned chiropractor who thought he left his past behind. He teaches martial arts to his two kids. However, his past catches up to him as a rogue agent demands to know the whereabouts of an agent known as Dragon. Now, father and children must team up to stop the rogue agent and his goons.