Watch Rahasia Kasih (2018) Official Trailer

The story revolves around the background of Nazmi's (Isa Khan) family, who is the stepchild of Datuk Ariffin (Hasnul Rahmat), who secretly married twice. All his secrets are exposed when Datuk Ariffin passes away, which becomes a devastating blow to his first wife, Datin Syuhada (Wilma Muhammad), after the names of Nailis (Catriona Ross), his second wife, and their son Nazmi are listed in Datuk Ariffin's will to be appointed as Chief Executive Officer of his company, while Nailis becomes an advisor. Datin Syuhada has three children with Datuk Ariffin – Shahrul (Mathni Razak), Syaiful (Hafiz Nolan), and Suhaila (Abby Nour). Shahrul is Datin Syuhada's eldest son and he is not very interested in the family business. Not only that, Shahrul is also forced to marry a woman of his mother's choice named Melinda (Ruzana Ibrahim), despite already having a sweetheart named Adeeba (Syida Melvin). Their daughter Suhaila often causes trouble and does not get along with her sister-in-law Melinda.