Based on Ann Brashares’ best-selling series of novels, “The Sisterhood of the Traveling Pants 2” catches up with four lifelong friends whose story began with “The Sisterhood of the Traveling Pants.” Now in college and embarking on separate paths for the first time, each will feel the freedom, separation, love, and challenging life lessons that mark their individual journeys toward adulthood. Though miles and worlds apart, they strive to stay in touch and share their new experiences and triumphs with heart and humor and, now more than ever, come to value the immeasurable power of their friendship.