The son of a wealthy family on Greece's island falls fatally while rock climbing. The death is determined as an accident. But his twin brother's wife believes that he was murdered. So she hires a PI to find the murderer.
One of the drawbacks of Killer Heat is the suspects, ie. Not enough red herring because the list is short. As a commonly noir, "half-boiled" detective story, there is the monologue voiceover, half of the time focusing on the PI past, which explains that he is the jealousy type, which helps his line of work -- recognizing the subtle hint that arouses suspicion.
I rarely guess the whodunnit correctly in most movies, though not this one. But probably that's not the point. It's poetic, which brings:
With its unique theme, I believe Killer Heat has potential, but why it misses the target I don't know -- either a little short deficient writing or it's just not working great for screen.
I enjoyed some scenes but was numb with the rest. It is a half-forgettable movie, though I will remember the three actors who have ever been in this one when I see them next in other movies.