Lucille, once among the most skilled female assassins, met an untimely end during a top-secret mission, betrayed by a treacherous companion whose identity remained a mystery. But by some miracle, she was granted a second chance, reborn into a new life with the same name. Determined to uncover the truth and avenge her family, Lucille seizes this opportunity.
Her meticulous plans for revenge, however, are complicated by Joseph, an apparently frail man whose martial arts prowess belies his delicate appearance. His deep affection for her, now a newfound complication, threatens to derail everything Lucille has set out to do.
