In "Let's Go to Prison," a seasoned criminal finds his plot for vengeance disrupted by unexpected events. In a twist of fate, he decides to take revenge by framing the son of his intended target and getting him incarcerated. However, things take a bizarre turn when he voluntarily enters the same prison to keep a close eye on him. What unfolds is a chaotic and comedic journey as the unlikely duo navigates the challenges of prison life together, leading to unexpected alliances and humorous situations.