Wong Boon-kap has recently returned from his studies abroad. Following the orders of his father Tai-ming, Boon-kap goes undercover as a mechanic apprentice in the father's factory to spy on their staff while keeping an eye out for talents. The boot-licking the factory manager Fung Hon-wing and his secretary Cheung Pat-fu respectively enlist their goddaughter Lam Hap-ping and niece Cheung Yuk-lin to join the ranks of the female workers to unveil the identity of the young boss. Ho Chui-wan lands a...