A modern-day chief female forensic doctor travels back in time to become an ancient female detective. She relies on her professional skills to overwhelm the ancient criminal department, but is forced to team up with her venomous boss, King Jing. In the process of solving a series of shocking unsolved cases, she discovers that her time travel is actually a huge conspiracy spanning ancient and modern times. In the end, she must make a decision: return to modern times, or subvert this era for love.
