Tagebuch für einen Mörder

The film follows Max Telligan, a British author whose diary becomes the center of a deadly struggle after a lucrative film rights offer from a US producer. The narrative escalates when the producer is found dead, leading to a fierce battle for the diary involving various factions, including terrorists and intelligence agencies.

Telligan's wife and daughter become embroiled in the chaos, highlighting the personal stakes involved. Meanwhile, Telligan's secretary, Liz Ferber, emerges as a key figure determined to protect the manuscript from dangerous adversaries. Her resolve against threats adds a layer of suspense to the storyline, as the mystery of the diary unfolds amidst external pressures and violence.