"Munajjim: Sekutu Iblis" tells the story of Ayden, a man living under the shadow of his mother's mystical beliefs. Desperate to save his marriage with Zara, he resorts to black magic, unaware that the shaman helping him is also being used by his stepbrother, Shazlan. Both of them become victims of manipulation by Munajjim, a mysterious shaman whose true intention is to destroy them.