When the cutie mark crusaders try to get their beloved teacher cherilee a very special somepony for hearts and hooves day again. They decide to use a love pootion like last time thining nothing can go wrong. Of course without a problem this would not be much of a story. So things go wrong like potion being a deadly "love poison" With two murders on the young fillies hands the fillies must hide a daunting secret. Nomatter what the cost.