Sparkler is a lonely foal. Her parents...well, they aren't exactly around. The only patch of brightness in her life is her half-sister, Dinky Doo. She loves Dinky more than anything. If only Dinky knew Sparkler existed, then surely she'd love her too
Suspicious about her actual relation with the rest of her family, Apple Bloom had some tests done in secret. The results were... unexpected, to say the least.