CHRONOS historian Tate Poulsen broke the rules – now he must cover his tracks. When he made the choice to save two lives in 11th century Vinland, Tate had no idea his decision would create a rift that must be fixed. With one more mission to Vinland, Tate could erase all that had happened – yet how could he erase the son he loved more than his own life? Will he correct the mistakes he made? Or will the rift haunt Tate forever?