Watch Treasure Hunt for Free: How to Stream the Movie Online at 123Movies. . Yuen is a reformed criminal who rescues Mei from an attempted assault on a boat and then marries her. A year later, Big brother (Sek Kin) comes looking for Yuen to return to his criminal past. Yuen refuses and chooses the straight path. Big brother doesn’t like this, so he stages a gambling den robbery and frames Yuen.