The fifth season of 90210 will find the gang struggling with the biggest issues of their lives. Having put their relatively carefree days at West Beverly behind them and launched themselves into adulthood, they will search for answers to their trials and tribulations with only their friendships to lean on.They will experience new love and old flames, loyalties being challenged and shocking betrayals. Some friendships will be tested, others will be renewed and new people who will try to infiltrate the close circle of friends. There are some things money can't buy, even in 90210.