Su Wanwan, a legendary forensic pathologist from the 22nd century, accidentally transmigrates into the ancient world as a good-for-nothing illegitimate daughter of a marquis's household. She's forced to take another woman's place and marry Xiao Jue, the notorious, bloodthirsty War Prince. She plans to keep a low profile and stay alive with her modern skills, but soon discovers that this cold-faced prince can always see through her tricks. He even dotes on her and treats her like a treasure.
