When a powerful Taiwanese gang leader is assassinated by a mysterious assassin, his eldest son, legendary killer Charles Sun (played by Qian Yuyang), travels to Los Angeles to protect his mother Irene (played by Michelle Yeoh) and his naive brother Bruce (played by Li Songpu). Until then, Bruce has been well-protected and completely unaware of the truth about his family. But when Taipei's deadliest underworld and a rising new faction face off for dominance, Charles, Bruce and their mother must heal the trauma of separation and figure out the true meaning of brotherhood and family before countless enemies come to their rescue. The Sun Brothers is an action comedy and family drama created by Brad Falchuk and Byron Wu.