As the title mentioned, the life of Shen Wei is depended on the life of Zhao Yunlan. Who is actually Zhao Yunlan? Shen Wei is an orphan girl who adopted by the Shen family and now living as a bio-engineering lecturer who has a knowledge about the mutation gene. Her busy life in mutation gene finally is interrupted by the existence of unknown Zhao Yunlan who suddenly appeared in her life and claimed her life as his. What should she do when Zhao Yunlan's life is in danger and involving her as well? Can she use her power in the modern day to protect Zhao Yunlan to make sure her life is safe too? Author's note: The story is inspired by a new chinese drama but with my version. Just a little idea is adapted by that drama but the story flow and etcetera are all mine. The character names are borrowed from the drama/novel of Guardian /Zhenhun.