Pinkie Pie and Rainbow Dash discover that two of their friends have romantic feelings for one another and resolve to unite them. Their plans don't work out, however, and they find that love can be catching.

Derpy Hooves is a normal Pegasus, living in a small house with her daughter, Dinky and her room mate, Carrot Top. One day, her life gets flipped upside down after she witnesses her daughter getting caught in a serious accident.