Eventually, CHEUK finds the TWIN DRAGONS. She learns that they are suitable to practice the Inner Force in the Immortality Routine by chance. She forces them to learn it and tells them the secret inside the Routine. Although they would like to learn it, they worry that it will bring bad consequences. They hesitate and leave her. The TWIN DRAGONS meet NING on their travels. She introduces them to General SUNG KUET’s daughter SUNG YUK CHI. CHI is a tomboy and argues with CHUNG constantly. FA’s assassins nearly kill the TWIN DRAGONS, but CHEUK saves them in time. In order to escape FA, the TWIN DRAGONS agree to learn the Immortality Routine. They use each other at first. But after staying together for a while, they start to care for each other. The TWIN DRAGONS even call CHEUK “mother”.