Set in the early 2000s, "Subham" follows a group of married men in coastal Bheemili as they band together to find solutions when their wives get possessed while watching a cable TV soap opera serial. Led by Venkatesh (Srinivas Gavireddy), Shahjahan (Charan Peri), and Cable Srinivas (Harshith Malgireddy), the trio takes an unconventional approach to save their friends' lives by creating their own ending of the serial.