Cinderella's life has been unhappy but predictable up until now – playing the part of a scullery maid for her cruel stepmother and oblivious stepsister. But one day, her stepsister, Agatha, finally takes notice and tries to help her.

It would be a welcome change of pace, except that Agatha's shift in attitude seems to be motivated by a terrible secret. Can she really be trusted when she says Cinderella is better off not knowing the truth?