Da Vinci's City Hall S00 E01 The Quality of Life: A Dominic Da Vinci Movie

During a big city mayors' conference, Da Vinci learns that one of his guests has become a key witness and possible suspect in a murder case that occurred after a political soirée (and its following private sex-party). Da Vinci is then pulled further into the case when a media magnate and his wife engineer an elaborate cover-up.