The human boys of light and darkness must once again reunite with their pony friends to combat a threat that found its way to their world

After a failed mishap by the Cutie Mark Crusaders, two boys from another universe are teleported to Equestria with no way back to their world. Can they adapt to living in Ponyville while at the same time deal with a new threat in the land?

When Spike is abducted by a pony of ice, the girls must travel to the frozen lands to save him before he decides to never come home.