The Rocking Horse Garden

Fife, Scotland, the mid-nineteenth century. A young woman sees a sinister shape out at sea. Soon after, a series of tragedies occur. Melbourne, Australia, the present day. A diary is discovered, detailing both an epic journey and the horrors which occurred more than 150 years before. Could the two be linked in some way to a rocking horse, left to decay in a weed-filled garden?