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.