When Cat's Eye attempts to steal their next objective, "A Boat Harbors in the Afternoon". they find it already stolen. Ai's new invention reveals who took the picture before them, and Rui and Hitomi infiltrate and steal the painting from a secret auction held inside an exclusive athletic club. However, Ai is injured during their escape and taken hostage. Cat's Eye keep their end of the terms and conditions for her release, but the owner of the auction is not too keen on letting them go.