While their parents attend a wedding in Australia, Henry, Bonnie and Max are sent to stay with their uncle who lives in an old train station with a mysterious past. People have vanished from there, never to be seen again. The strange stories make the children want to have a closer look, but while investigating, Bonnie is accidentally transported to another place, a world very unlike ours; The Land of Lost Things.It's up to Henry and Max to find a way to follow her through and try to get them all home safely, and maybe solve the mystery of The Exploration Station at the same time.