When minibus driver KEI YAT-SING and his son KEI MONG, who has food allergies, are in the supermarket, KEI MONG takes advantage when his father is not around to ask YIU NGAI-YAN, who just finished shopping, for chocolate to eat, which triggers KEI MONG's food allergy symptoms as a result. NGAI-YAN and her boyfriend, FONG TIN-HANG, a vet, are preparing their wedding ceremony, however, they are not able to take their wedding photos overseas because NGAI-YAN's father, YIU SHIU-BONG develops an unstable condition in reaction to the treatment of his illness. SHIU-BONG is the CEO of Yiu Kong Group, and his first wife, who is NGAI-YAN's biological mother, is dead; whereas his second wife KOO SHUK-YIN and "third wife" FONG YEE-LING gave birth to his younger son NGAI-SHUN and older son NGAI-CHUNG respectively, above which NGAI-YAN's boyfriend, TIN-HANG, is also YEE-LING's nephew.… ...