When Sitha, the lead singer of a famous band goes missing, the band goes on a search, finding out that Sitha is in Saranjana, a supernatural city, and to bring her back they must find a portal through an adventure of mystical events.

The adventures of a band from Jakarta called Significant which is currently holding a concert tour in Kotabaru, South Kalimantan. Right in the middle of the tour, Sitha, the band's vocalist, mysteriously disappears. After conducting a search, the other band members believed that Sitha was in Saranjana, an unseen city which the locals believed to be a modern and advanced city. For seven days, they will enter the city of Saranjana with various horror and mystical events accompanying their journey.