The Plot
The three prisoners plotted their escape of Alcatraz even though they knew the chances of succeeding were extremely low. It definitely helped their care that Morris was an apparent genius, and had already successfully broken out of prison in the past.
Although Morris was the main brain behind the plan, all three individuals were needed to successfully escape. They began to grow confident in their plan, and truly believed that they were soon going to be free from the hell that was Alcatraz.