Introduction: Choi Yunha, a legendary, undefeated lawyer loses everything in a random fire incident. To pay for her younger sibling’s medical treatment, she jumps into a dangerous deal with Sung Ji-hoon. “An unnoticeable woman.” “Is that my mission?” Yunha spirals among the good and the evil people who desire her. Will she be able to unveil the hidden truths of the life-demolishing fire incident?