The film portrays Dietrich Bonhoeffer (played by Jonas Dassler), a pastor who strongly opposed the German church's acceptance of Nazism and the creation of the “Reichskirche.” He felt compelled to speak out from his pulpit, regardless of whether people would listen, which unsurprisingly led to difficulties. Consequently, he spent considerable time abroad while others suffered persecution. During this period, he attempted to sway public opinion in both the United States and Great Britain, though his warnings largely went unheeded. The narrative gains momentum when his associates devise a plot to kill their leader, bringing together various aspects of his life and highlighting the danger he faced upon returning home. It’s based on actual events concerning a man who stood up against immense pressure, apathy, and dread—however, I didn't find Dassler particularly captivating. Even during moments intended to be impactful, his portrayal felt flat, contributing to the impression of an upscale television movie rather than a profound account of bravery and faith. The supporting actors perform adequately, but there’s no central performance that provides the necessary weight within either the church or among his associates; even Churchill seems diminished. Bonhoeffer's enjoyment of jazz music allows for some pleasant musical interludes, and the story serves as a harsh critique of collaboration when the government actively mobilizes armed forces—but ultimately, it was disappointing.

Source on TMDB