"The Apartment" is a classic American romantic comedy-drama film directed by Billy Wilder and released in 1960. The movie stars Jack Lemmon, Shirley MacLaine, and Fred MacMurray in the lead roles. It is known for its blend of comedy and darker elements, dealing with themes such as love, ambition, and corporate politics.

The plot revolves around C.C. "Bud" Baxter (played by Jack Lemmon), an office worker who allows his superiors to use his apartment for their extramarital affairs. In return, he hopes to climb the corporate ladder. However, things become complicated when Baxter falls in love with Fran Kubelik (played by Shirley MacLaine), an elevator operator who is having an affair with Baxter's boss, Jeff D. Sheldrake (played by Fred MacMurray).

As Baxter navigates his professional and personal life, he must confront the consequences of his actions and decide whether to stand up for himself or continue to be taken advantage of. The film portrays the loneliness and alienation experienced by the characters and offers a critical look at the morals and ethics of the time.

"The Apartment" received widespread critical acclaim upon its release and went on to win five Academy Awards, including Best Picture, Best Director, and Best Original Screenplay. It has since become a cinematic classic and is considered one of the greatest films ever made. Its combination of humor, romance, and social commentary continues to resonate with audiences to this day