Keira's home is Black Pearl Ranch, where she helps train ponies and lives the dream ...Sable Lucas's parents are organising a surprise birthday gift for her - a beautiful sorrel pony called Miss Molly! Keira's dad is given the job of training up the nervy pony and making her spook-proof in only three weeks. The day soon comes to unveil Sable's surprise, but something goes horribly wrong. What has got into Miss Molly? Determined to find out, Keira turns pony detective to uncover what's really going on ...