After King Kong (played by Sam Hui) successfully subdued White Hand Socks, White Hand Socks' brother Black Hand Socks was assigned by the mafia to continue trading diamonds and revenge on King Kong. King Kong and Black Hand Socks' advanced robots fought several rounds and finally won by luck, but immediately fell into the scam of the Niu Niu and You You brother and sister criminal gang, and was involved in a bank robbery and became a suspect. On the way to escape, King Kong messed up the wedding of his partner Bald Detective (played by Mai Jia) and Ho Dong Shi (played by Sylvia Chang). Fortunately, Bald Detective Yi Zi took the lead and worked together with King Kong to fight against Niu Niu and Black Hand Socks, but unexpectedly, King Kong was teased by You You again, and Bald Detective was only disciplined by Yan's wife. The best partner was coerced by the Niu Niu gang and had to come forward to snatch the diamonds, and Black Hand Socks once again sent out advanced robots to fight. King Kong, who was well prepared, took out the robot special forces, and the melee was about to break out... This film is the second episode of the Best Partner series.