In the 1970s, a charismatic and elusive prisoner named Norman Stanley Fletcher finds himself in a British prison serving a sentence for fraud. Despite his situation, Fletcher has an innate talent for getting the guards into trouble and, in the process, earning the sympathy of his cellmates. With his sharp wit and sarcastic humor, he quickly becomes the unofficial leader of the inmates, always looking for ways to turn the system to his advantage.
However, life in prison isn't just fun and games. Fletcher must navigate the tense relationships with the prison officials, especially with the strict and often despotic Governor, who has decided that order is the only way to maintain peace. Despite the adversity, Fletcher continues to show that life in prison can be bearable, and his manipulation skills become his best ally for survival.
With each passing day, Fletcher finds new ways to outsmart the authorities, from ingenious schemes to unexpected pranks. But as he delves deeper into his life behind bars, he discovers that it's not just about surviving—it's about finding a sense of camaraderie and mutual care among those who share his fate. In the end, Fletcher will learn that in life, what truly matters isn't the walls that surround you, but the friends you choose along the way.