Ezahar is a lecturer, happily married to his wife Sherina. He starts experiencing emotional disturbances after witnessing his wife's death due to a building collapse that was caused by a terrorist group called Kalla. But he then receives news from an unidentified individual that Sherina is still alive and the terrorist group is looking for her. He begins to search for his wife with the help of Uyun, a former member of Kalla.