The Portal and the Key

Mark and Jake are the best of friends until Mark's father inherits an old house. When the distance threatens to tear their friendship apart, the old house pulls them back together. In order to discover the mystery of the house they must travel back in time, but there's a catch. When they get to their destination, they find themselves in the bodies of their ancestors. Now, can they solve the mystery, right an old wrong, and stay alive long enough to figure out how to get back?