Joanna Lumley embarks on the world’s greatest train journey for this epic new three-part documentary series, The series sees Joanna travel from East to West, departing from Hong Kong across 5777 miles of both Asia and Europe, through seven time zones, taking in an immense panorama of vistas and cultures, people and places, before her final arrival in Moscow. Everything about this legendary journey is of epic proportions. It cuts across three distinct countries, cultures, landscapes and languages and crosses some of the worlds most geographically challenging, yet resource rich and scenically splendid regions. Joanna will be hopping on and off the train visiting people and places as she travels.

《潜行追踪》是一部纪实性真人秀。节目找来普通人隐匿之后，让由反恐专家或前特务机构工作人员组成追踪专家团队，通过他们的住家、社交痕迹、手机通讯记录，寻找出他们隐匿之处。