The Tale of the Hairpin

After suddenly losing her mother, Lin Tingbai discovers that her father has been protecting the real killer. Before she can investigate further, she gets caught up in a struggle between the Heir of Prince Ying and the Seventh Prince. Wary of offending the son of a meritorious official, the emperor orders Lin Tingbai to choose her own husband. Watch her plan every move, navigate the dangers with skill, protect herself and her younger brother, and avenge her mother!