An ordinary human is transported to Equestria. Hilarity ensues. Sort of.
In the sequel to My New Life In Equestria, Matt and Applejack prepare for the birth of their foal. Hilarity ensues. Sort of.
The "My New Life In Equestria" trilogy concludes with the chronicles of Matt and Applejack raising their Daughter from foalhood to her teenage years. Hilarity ensues. Sort of.