Summit of Our Youth season 1 episode 20
Episode title: Reborn
Lin Jia Dong is suspected of being a spy, but Gu Xue Jiao expresses her trust in him. Lin Zhi Hua signs an agreement with B and C, much to Gu Xue Jiao's surprise. The two of them come clean to each other about their 'reborn' identities and reconcile.
