Pegasus Mystery Mane has been solving mysteries since she was little, and soon tires of the repetitiveness. When a Canterlot museum is robbed, she checks it out. That's when she finds a connection to the mysterious Golden Hoof, a thief of long ago.

A few years back, Rain Cloud meets the alluring and strong Flash Fire. He falls head over hooves in love, but tragedy proves to be a corrupting force.