Mr. District Attorney

In 1940s New York City, Assistant District Attorney John Mason (Jack Lemmon), a diligent and honest attorney, and his charming, free-spirited friend and co-worker, Ellen, find themselves at the center of a sensational case. Ellen is Mason's confidante and partner in crime-solving. They both work in the office of the District Attorney, navigating through bureaucracy and personal lives while taking on seemingly impossible cases. Their latest assignment puts them at odds with the notorious crime lord, Big Steve, a ruthless and cunning mobster with ties to city officials and police officers alike. When the District Attorney's office receives an anonymous tip about a high-profile murder case involving a beautiful young socialite, they jump at the chance to bring down Big Steve, whose fingerprints are all over the crime scene. The victim, Vivian, had been engaged to marry into one of New York's esteemed families, making the case even more high-profile and intriguing. Mason and Ellen delve into the case, uncovering a web of deceit and corruption that goes all the way to the top. Despite their efforts, they face resistance from various stakeholders, including corrupt city officials and their police department counterparts, who are under Big Steve's control. Mason's reputation as an honest prosecutor earns him respect, but this respect also earns Big Steve and his associates a reputation for making life difficult for Mason and his colleagues. As Mason and Ellen dig deeper, they become convinced that Vivian's murder is merely a small part of a larger plan. With no concrete evidence and under intense pressure from their superiors, the stakes mount, and Mason starts to question whether the system is working in their favor. Mason must confront personal doubts, professional pressure, and social expectations that test his resolve, all while maintaining his partnership with Ellen and their trust in each other. While Ellen's sharp wit and determination prove valuable to the investigation, Mason finds himself increasingly torn between his duties as an assistant prosecutor and the blossoming feelings he develops for Ellen. Their banter and playful dynamic serve as an emotional counterpoint to the dark, intense atmosphere surrounding the crime scenes. As Mason and Ellen navigate their own complicated feelings for each other, they continue their tireless pursuit of the truth. Meanwhile, the stakes grow higher. Mason and Ellen start unraveling the tangled threads of a conspiracy that puts them at odds with both Big Steve's organization and the forces of corruption within their own office. A close-knit team working behind the scenes in the DA's office must step up to support Mason and Ellen in uncovering the hidden truth. Mason's superiors may be compromised, and their very lives could be at risk if they expose the corruption. The film's climactic sequence brings together several strands of the narrative as Mason and his colleagues piece together the evidence. With Big Steve closing in on them and more lives on the line, Mason is forced to confront the true nature of power and justice in New York City. Ultimately, Mason and Ellen prove that the system can work, that it is possible to have honest and effective law enforcement, and that even the most complex and high-profile cases can be solved with perseverance and trust in one another.