The strange and sinister History teacher, Mr. Moruge sends two young teenagers Max and Lucy back in time to 1912 where they find themselves on the deck of the RMS Titanic. They soon become embroiled in the murder of a millionaire businessman and embark upon a series of adventures throughout the ship in their quest to find motives and evidence that will lead them to the identity of the killer. To add further intrigue and adventure to their voyage, just as they're about to set a trap for the killer, the ship hits an iceberg and a desperate fight for survival ensues. In trying to warn and help their friends they must also navigate the dangers and survive the perilous final hours of the great ship. Will they survive? And if they do, is there still time to bring the murderer to justice?