The rich bride-to-be YIM PUI-WU (SO YUK WAH, LOUISA) is arrested and thrown in jail for the murder of her adoptive mother shortly before her wedding. By coincidence, she is reunited with her long-lost younger sister SO FEI (TONG LING, LEILA), who is now a probation officer, and thus with her elder sister KONG LAI-NGA (TIN YUI NEI). Desperate to prove WU’s innocence, NGA and FEI bustle around every day to look for evidence.
But things do not go quite the way they hope. NGA is pregnant with her boyfriend YIN LEUNG (CHAN KAM HUNG, SUNNY), but she is diagnosed with an incurable disease after her son is born...