Serial-ka, oo la dejiyay inta u dhaxaysa 1980 iyo 2013, wuxuu muujinayaa halganka nolosha akhlaaqda ee laba walaalo ah Kiu Tin-seng (Ruco Chan) iyo Lo Wai-son (Edwin Siu) inta lagu gudajiray dhammaadkii iyo xilligii gumeysiga kadib ee Hong Kong iyo Macau. Dhacdooyinka taariikhiga ah ee ka soo horjeeda xilligan, oo ay ku jiraan Siyaasadda Taabashada Taabashada 1980 ee Hong Kong, Macau's sharciyada socdaalka ee 1982, dhacdadii dahabka ee 1991, wareejinta madaxbanaanida Hong Kong iyo Macau
Xiisaddii dhaqaale ee Hong Kong 1998, dagaalkii sadex geesoodka ahaa ee Macaan 1999, cudurkii SARS ee ka dillaacay Hong Kong 2003, iyo hoos u dhacii dhaqaale ee Hong Kong 2008, ayaa ah qaar ka mid ah dhacdooyinkii ugu muhiimsanaa ee dhaliyay isbedelka masiirka walaalaha iyo qoysaskooda.