Relic Hunter Season 1 Episode 3 The Headless Nun

Sydney Fox, a professor of archaeology is also a 'relic hunter'. This week she's in Buenos Aires, Argentina, looking for the collar of Mexican emperor Maximillian. When she goes to collect the collar from a local collector, she finds out that he's been decapitated and the collar is missing. The police arrest Sydney's colleague Leo for the murder. Sydney must now find the real killer and recover the collar before it falls into the wrong hands. The clues lead Sydney to a nearby convent where she uncovers the story of a headless nun who may be connected to the murder. With the help of her trusty assistant Nigel, Sydney navigates through the mystery, finding more danger than she bargained for.