Longing is a melodramatic film set in a German village that revolves around a love triangle and explores themes of desire, infidelity, and guilt. It tells the story of a fireman who is torn between his secret love for a waitress and his commitment to his wife. The film also delves into the lives of other villagers, including a locksmith and a dancer. As the plot unfolds, the characters navigate through a series of emotional challenges and confront their desires and secrets. Longing also touches upon themes of suicide, village life, and family dynamics.