All aboard the most famous train in the world for a high-speed chase across Europe. The Thea Sisters are traveling from Paris to Istanbul on the legendary Orient Express. This is no ordinary trip, as the train is carrying a highly precious wedding dress that was stolen years ago and is finally being returned to a museum. The passenger list is filled with glamorous celebrities and important figures, but there is also a dark rumor spreading through the train cars. The mysterious Acrobat Thief is reportedly on board and planning to steal the dress right while the train is moving. The five friends are determined to outsmart this incredibly sneaky villain. They must patrol the train, solve tricky puzzles, and work as a perfect team to protect the dress and unmask the thief before they reach their destination.