Reluctant Time Traveller

If Saul and Agnes don't do something their den will be destroyed. But the title deeds that could save it were lost in 1914. Good job they know the secret of time travel! 100 years before their own time, Saul and Agnes meet a brother and sister, servants at a big house where a sinister visitor is expected. Together the new friends try to uncover the mystery but Saul and Agnes know time is running out. Soon a war will begin: can they risk altering the past, the present and their future?