Rayya, who has inborn heart disease, befriends since childhood with Nico. For Rayya, the most important person beside her mother is Nico. And Nico is keeping Rayya carefully. Nico also knows all Rayya’s secrets, including the guys who had attracted her. Anyone can see that both of them have a sense of more than just friend. However, both keep that feeling to themself. One day, Rayya surprises because the guys from his past comes together without telling her. The love letters she wrote and kept in Whisper, a pretty box engraved with heart, was sent to the boys. They are Mike, Cello, and Addin. Rayya has not lost curiosity about who sent her love letters, when Nico suddenly disappears. Rayya becomes frantic.

According to the rumors, there was a Dutch noni who had died from being raped who is now a ghostly ghost in an old school building, Nancy's ghost had been terrorized and successfully secured before by Ucha Mang, who is a school administrator as well as the caretaker of the building .

Monos, Rojali, Ade, Andra, Adit, Dindin, James, and Omen are students who are crazy, ignorant, but cool in music and are members of the OM Pancaran Sinar Petromaks (PSP). They are always agree in all matters, but in romance they make bets, as do Rojali, Monos and Ade. Ade has fallen in love with Fatima, a beautiful and sexy boarding house nanny. Dindin, Andra, and Adit are the trouble maker. They like to make pranks on campus so they are subject to sanctions for dropping out. They are shocked by the case of robber. This case developes into a hoax, which involved their college friends. Omen and James are moved to investigate this case with the help of PSP friends.

Mentari's death forces the estranged siblings to reunite under Langit's care. Amidst their respective conflicts and wounds, they learn to accept their loss and rediscover the meaning of family.