Substitute Bride with Space Exiled for a Thousand Li

Agent Shang Ruyi transmigrates as the concubine daughter of the Prime Minister's mansion and is forced to marry the crippled Crown Prince He Jingheng in his place. She cleverly counters to secure her dowry and activates her space system after the wedding. During the exile journey, she uses her wisdom and the spiritual spring within her space to overcome crises from wolves and assassins, deepening her bond with He Jingheng. Upon reaching the exile destination, the couple face challenges together and decide to build a better life.