When they were fillies, Limestone Pie feared that her title of "big sister" will be taken by Maud Pie where she and Pinkie Pie were making rock candy necklaces together. So to prove herself, she enlisted the help of her youngest sister, Marble Pie.
The time has come for the four Pie sisters to use the Choosing Stone to find their special somepony. Love isn't a breeze; even when the right pony is thrown right in front of you.
The Choosing Stone; a tradition that the Pie family has used for centuries to find their soulmate. Igneous Rock has to explain to his daughters how exactly it works.