After My Beloved Sister Accidentally Threw the Prince to Death, I Counterattacked and Became the Queen.

After my favorite concubine in my previous life accidentally fell to the crown prince's death, I rescued him as soon as possible. However, my parents and the emperor's husband slandered me as the murderer, and I was tortured to death. In this new life, I will not repeat the same mistakes. I will work step by step to not only find the real murderer, but also to counterattack and become the queen!