They Stole My Sister's Lifesaving Medicine

After securing the only drug that can cure her sick sister, a low-key family matriarch is crashed into by her sister's boyfriend. Armed with a borrowed luxury car and his scheming mistress, the man mocks her and confiscates the crucial medication. Little does he know, she is the true master of the empire he's been secretly draining. As time ticks down to save her sister, can she expose their crimes in front of the entire board and destroy them for good?