Each member of the Mermer family, who now continues their lives as outlaws, struggles with their own problems. Serhan has difficulty adjusting Begüm, who is pregnant, to their new life. While Serhat is now missing a woman in his life, Gazanfer struggles to keep his family together against the organization. However, Zafer's fall into the hands of the organization turns everyone's lives upside down. Looking for a way to reach Zafer, Gazanfer finds the solution by asking for help from an old friend. This time, the Mermer family will have to make one last heist to reunite with their children.

Mortal World is a fast-paced action movie filled with suspense and humor. It tells the story of a restaurant owner who gets entangled in a dangerous crime world after discovering a fake passport. With the help of a killer mop and a Turkish flag, he must navigate through a series of thrilling encounters, including gunfights, motorcycle chases, and tense elevator scenes. Along the way, he forms an unlikely alliance with a crime family and uncovers a deep conspiracy that reaches the highest levels of power. Full of unexpected twists and turns, Mortal World is a wild ride from start to finish.