All That is Bitter is Sweet - Season 1 Episode 20 : Episode 20 2014

YAT-YUEN spots YUK-KAM working in the pub, so YUK-KAM begs him to keep this secret. Through her experiments, KAI-KEI manages to trace that the gold lingzhi is the source of the poison. Seeing that KAI-CHUNG and KWAN-YEUK both devote themselves to the relief mission, Father THOMAS is very satisfied with their effort, and he even intends to promote the relief project and expand their services to many other cities and provinces nationwide. After being informed by KAI-KEI that the source of the poison of Eighteen Antagonisms stems from the gold lingzhi, KAI-CHUNG tries to explain to the Nanjing Government that Sheung Chun Tong should not bear the legal responsibility for the poisoning incident. Having enquired with Uncle CHEONG, who was in charge of purchasing the medicinal materials, KAI-KEI learns that they bought the gold lingzhi through TO YUNG.… ...