This story is based on the grimdark story cupcakes. Rainbow Dash has been brutally murdered pinkie pie was found out and Scootaloo vows to avenge her fallen mentor by killing pinkie.
Rainbow Dash has always feared vamponies. But when she becomes one herself, she slowly learns the dark ways of the ones who ruined her past.
Will she resist the urge to become one herself? Or will she become the very person she fears?