My Name (2021)

Following the mysterious murder of her father, a revenge-driven woman, Yoon Ji-woo, puts her absolute trust in Choi Mu-jin, a powerful crime boss of the Dongcheon drug syndicate. To uncover the truth behind her father's death, she undergoes rigorous training to transform into a lethal weapon. Under Mu-jin's guidance, she infiltrates the police force under the fake name Oh Hye-jin, becoming an undercover mole assigned to the drug investigation unit where she is partnered with Detective Jeon Pil-do.