The fourth season of 90210 follows the group from West Beverly as they navigate life after high school. Their journey into adulthood will find them heading in different directions while trying to keep the same closeness that worked so well for them in high school. This tight-knit circle of friends will meet new people, resulting in friendships, relationships and loyalties being tested. Some will attend college, while others will start their careers. It's a new and different time for them, as the stakes are much higher and there is a lot more to lose. Coming from a world of glamour and privilege, with endless possibilities in front of them, anything can happen. All in all, it's just another day in the world's most famous zip code.