The Tunnel of Love is a magical and romantic place in the Everfree Forest, and Twilight intends to find out about it first hoof. With Applejack by her side, it seems like the perfect time to talk to her friend about the feelings she's been having.

But when it turns out that Applejack has been through the tunnel before, and has no interest in going through again, Twilight's hopes and dreams are tested by a deeper understanding of the tunnel and what it shows.