Rainbow Dash is hiding something from her friends. She isn't who she says she is. She is Shadow Dash, daughter of King Sombra, but how would her friends react to that? They would cast her away surely...... …i can't risk it
Twilight's brother has passed away, and she's devastated. Her friends try to cheer her up, but to no avail. When all hope seems lost, a certain pegasus decides that she'd had enough.
Twilight isn't the only egghead around. Rainbow Dash uses her knowledge of quantum mechanics to create a time machine. With her amazing luck, she somehow manages to strand herself into the past, even before she got her cutie mark.
