Jamie the Mailman is in love with Garnet and pours his heart into a love letter he leaves for her but, Garnet is a relationship and 3 is a crowd. When Steven and Connie help write a reply to let down Jamie easy it all goes wrong.
The gang goes out to search for Lapis and Jasper's fusion when night falls. Steven, Pearl and Amethyst are forced by Garnet to stay home and rest, but Steven starts having vivid dreams of the two they have been looking for.
Steven, Greg, and Garnet face challenges and adventures, making interesting stops along the way as they head out on the open road on a road trip together.
Whilst Peridot is in turmoil over her actions, Steven listens to her audio diary and learns how she and Garnet learned to get along during her time at the barn, despite their radical differences.