The Mama's Girl is a Killer

The Mama's Girl is a Killer Plot:

Lin Xiaonuan is known as a typical mama's girl in her alley. She revolves around her mother every day, reporting all actions like cooking and laundry, even talking to male classmates requires her mother's approval. No one knows she's a top-secret killer. One day she takes an assassination mission on a rich businessman, who turns out to be her mother's new employer. During investigation, she finds out her mother is secretly transferring illegal funds for the businessman. The conflict between filial piety and killer's rules pushes her into a desperate situation—completing the mission will involve her mother, while disobeying the order will expose her identity. Her dual identity is about to be fully revealed in front of her mother.