Based on a true story of a mysterious mansion, four students desiring anxious to unravel the mysteries of the bungalows to their group assignments.

The movie is a love story between Adil and Vera who didn't have a good impression towards each other initially, until they are forced to work together on college project, and start to get really close to each other. It turns out that Adil is trying to get back up after being dumped by his girlfriend Mel, so Vera suggests that he joins a busking competition to win back Mel's heart. But as they spend more and more time together, Vera starts to develop feelings for Adil.

The movie, based on myths that surround 99 Mansion Nibong Tebal, focuses on the titular home of Tengku Izzudin Shah, who lived there with his wife and son. Unfortunately, his family members all mysteriously died. Before he himself later passed away, he asked for his house to be turned into a hospital. However, the house has now been left abandoned for 30 years. Hisyam, a contractor, offers to do restoration work on it and his offer is accepted by Putera Shah's firm. Together, the two of them, along with Rafael and Camelia, visit the house and set up camp near it for the night. That is when they begin experiencing strange and frightening occurrences at the house.