Murder, She Wrote S12 E09 Deadly Bidding

"She may be wrong. But frankly, we doubt it."

Jessica agrees to go to New York to bid on a manuscript purportedly by Sir Arthur Conan Doyle, and while there, she gets mixed up in the murder of a local forger who had been involved in the theft of a priceless Degas painting two years earlier when she tries to help Charlie Garrett out of a jam.