Midsomer Murders (1997) : 7x2

Barnaby's new partner, Sergeant Dan Scott, arrives from London's Metropolitan Police and expects to have a quiet life. But then the murders begin. The first victim is Fiona Thompson, stabbed several times with a long knife on her way home from a flamenco night at Midsomer Mallow village hall - and a witness reports a mysterious squeaking noise at the scene of the crime...