Modern wilderness expert Wren transmigrated as the Greenwood Tribe leader's daughter. After her tribe lost a war, Wren and other women were assigned as wives to Blaze Tribe warriors. Wren chose the strong Tuoba Yan. She found his family poor, his father injured. Wren used her survival skills to support Tuoba Yan's family. With her help, Tuoba Yan grew stronger and became the legendary savage king.