Jacqueline Feeney operates as an operative aiding the Nohara family's escape from Kasukabe City. This flight initiates when Misae Nohara confronts clone duplicates of herself and her infant daughter Himawari at a shopping mall, stemming from an invasion of konjaclone duplicates engineered by scientist Amigo Suzuki. Her role focuses on facilitating the family's evacuation and protection during these confrontations, with Himawari Nohara consistently prioritized as the focal point of familial safeguarding throughout the ordeal.