In the movie "Jailer," a gang of friends comes together to rescue their leader, who has been imprisoned. However, they encounter a problem when they realize that the prison is heavily guarded and filled with obstacles. The main obstacle they face is the jailer, who is determined to stop them from freeing their leader. The jailer, knowing the gang's plan, decides to show off his skills and power in order to thwart their rescue mission. He uses his authority and the prison's resources to create challenges and traps that the gang must overcome.