Couple's Marriage Strengthened through an Unlikely Saviour.....The RMS Titanic. 1912: Two young lovers stowaway on Titanic's maiden voyage. 2006: Tam and Elizabeth inherit his grandfathers cottage on the west coast of Scotland. After loading the car with curiosities from the cottage they return home. A smashed a bottle retrieved from the cottage reveals a napkin from RMS Titanic, carrying a message that sends them on a heart warming, mystery driven adventure that rekindles their love..