The owner of a successful silk factory has decided to pass on the business to two of his children. Another son, Ka Yeung, returns from five years of being a war medic, but receives a chilly reception

Hau Yee is found dead with the divorce letter she received from her husband. Ka Yeung blames himself when the family guesses she was waiting for him to come home to commit suicide

Bing Bing and Ka Yeung believe Hau Yee was murdered, but disagree over how to investigate. Pik Wan objects to the new factory management

Ka Yeung dismisses one murder suspect. Pik Wan accuses Bing Bing of stealing sky cocoons

When the silkworm farmers raise their price, Ka Hin must step up as new manager of the factory

Ka Yeung agrees to stay at home if Ka Hin will manage the factory with him