The team of heroes embarks on yet another journey, this time following a lead which takes them on the path to the secret hideout of their rival treasure hunting foes. Along the way, they must take a continental train ride which has mystery surrounding its variety of passengers. Their destination: a lone lighthouse standing amidst snowy terrain. Not only does the team have to come face to face with the leader of the opposing team, but they must survive the elements of the harsh Northern winter!