Molly is forced to move back to their old family ranch in Pleasanton when her older sister Jennifer loses her job in Phoenix. She's beyond mortified to have to live in a town with poor wi-fi signal and no attractive guys her age - except for her neighbor Jake, who her sister does not want her spending any time with. That doesn't stop Molly from going behind Jennifer's back to learn to ride horses with him... and more.
Becca walks in on her boyfriend cheating on her with his assistant. She meets Luke from his office in the bar, who has also just broken up with his girlfriend. They decide to try to get back at them by pretending to hook up and start dating. But will their hearts be able to remember to keep their feelings out of this?
After finishing her degree, Heather moves back in with her parents in Broadstairs while she finds a new job. Her first love and now ex- Kevin is in a similar position, while trying to juggle a long distance relationship. As they catch up and hang out with friends over the summer, their never-quite-gone feelings of first love return to the surface and threaten to derail all their previous efforts to grow up without each other.