Young Lightning Strike of Manehatten is the daughter of the famous war general Rainbow Dash, who fell in battle. Like her mother, she is able to get to the great speed to make a Sonic Rainboom. Now the new general wishes for her to join the forces to protect Equestria, but she doesn't know.

She loves her normal life, her mother and father, but is concerned it could be blown away, like dust in the wind.