One and Only S01E16 - Zhou Sheng Chen and Shi Yi are parting again

Shi Yi's mother was given the edict to bring Shi Yi back to the capital and let her marry the Crown Prince. She travelled to the Western Border to bring Shi Yi back. Shi Yi tells her mother about her feelings towards Zhou Sheng Chen. Her mother tells Shi Yi about the oath he had taken years ago. Shi Yi was asked to leave the Nanchen Royal Mansion within one day. Shi Yi haves a heartfelt talk with Zhou Sheng Chen expressing her sadness and unwillingness to go back.