This year Silent Witness celebrates its 20th anniversary with five explosive stories that take the show into new and uncharted territories as well as delving into the murky depths of city life. Five contemporary thrillers that start amongst the familiar landscapes of London and end up in the dusty scrubland of Mexico.
A diverse group of tourists on an organized trip to Lisbon find themselves investigating a murder after one of them is killed on the first morning. Set out to find the killer among the group as they visit beautiful Lisbon sites.
