In 1828, the bankrupt Pyncheon family fight over Seven Gables, the ancestral mansion. To obtain the house, Jaffrey Pyncheon obtains his brother Clifford's false conviction for murder. Hepzibah, Clifford's sweet fiancée, patiently waits twenty years for his release, whereupon Clifford and his former cellmate, abolitionist Matthew, have a certain scheme in mind.
20世纪三四十年代的上海，黑帮横行，毒品交易猖獗。毒贩琛哥势力强大，警方难以获取证据。在一次交易中，阿仁和阿美意外重逢，背后却隐藏着鬼哥、琛哥与警方三方的算计。在重重怀疑与考验中，阿仁做为警方卧底，深入虎穴，成功协助警方缉拿琛哥与国际毒贩。
