Rent The Case of the Scorpion's Tail (1971)

The film begins in London, where Lisa Baumer (Evelyn Stewart) learns that her husband has died in a freak plane accident. Summoned to Athens to collect his generous life insurance policy, she soon discovers that others besides herself are keen to get their hands on the money and are willing to kill for it. Meanwhile, private detective Peter Lynch (George Hilton) arrives to investigate irregularities in the insurance claim. Teaming up with a beautiful reporter, Cléo Dupont (Anita Strindberg), Lynch resolves to unearth the truth...before he too ends up on the wrong end of the murderer's straight razor.