If you were in a position of knowing without a shadow of a doubt the dreadful thing that was to happen on this day what would you do and how? That’s the question that faces Peg Andrews and Steve MacDonald, two time travellers who are transported back in time to April 14th 1865 the day John Wilkes Booth assassinated Presidents Abraham Lincoln at Ford’s Theater. They are shocked to realise that they are in Mary Surratt’s boarding house the spot where the whole plot was hatched. They have it in their power to change history but what can they do?