亚历山大（盖·皮尔斯 Guy Pearce 饰）博士是一位狂热的科学爱好者，他一直想证明时间旅行是可行的，并将全部的精力都投放到了时间机器的研究中。可是一天，未婚妻的意外离世让他悲愤不已，并加紧了时间机器的研制，希望能重返过去，拯救未婚妻的生命。时光机研制成功，亚历山大成功穿越到了过去，亲眼目睹了未

Season 4 will pick up a full year after the events of Season 3, and business couldn’t be better at the Wild/Reid Detective Agency as Harry and Fergus

Season 4 will pick up a full year after the events of Season 3, and business couldn’t be better at the Wild/Reid Detective Agency as Harry and Fergus