Youth is such a gorgeous and sad word. How many people have hesitated and fallen because of it, losing themselves in the carelessness. But there are also a group of people who retain a piece of inner beauty because they have had it, and continue to move forward bravely and happily every step of the way. These three women each have their own characteristics and stories. They depend on each other and hate each other. Their sincere friendship is gradually mixed with too many distracting thoughts due to reality... But no matter what, when pain and difficulties come, they can still hug each other and face the test of life together...