'Bodyguard: A New Beginning' focuses around the story of Leung (Vincent Sze), the bodyguard of a Hong Kong Triad boss, Wong (Richard Ng), to whom his loyalty is unrivalled. Wong requests that his bodyguard travel to the UK to protect a young British woman (Stephanie Langton). whose true identity is known only by Wong himself. Even his own errant son, Yuen, is kept in the dark, and the efforts of a rival boss. Kai (Cary-Hiroyuki Tagawa) to take over Wong's territory leads Yuen to a betrayal that threatens to destroy the family and all that his father has worked hard to protect.