Lin Wei, a modern forensic doctor, traveled through time and became Su Qingyuan, the daughter of a criminal to be executed, and accidentally activated the operating system. With her forensic knowledge and systematic skills, she solved the Su family's unjust case, uncovered the traitor and was awarded the title of royal widow. Later, he went to the border to investigate strange murder cases, vowing to clean up the world's grievances and protect the peace of Daqi.
