Ginka, the beautiful officer, is on the local SWAT team by day. But at night, she becomes the Silver cat. And with incredible agility, unbelievable sensitivity and amazing ability, she roams the city like batman. Accidentally, she was informed that the famous gem ‘Emerald Queen’ was stolen. In order to get it back, she blended into the infamous Kurobara’s mansion. But to her surprise, she got trapped by a notorious SM dominatrix who’s crazy about whipping, bondage, shocking and wax-dripping. What will Ginka’s fate be?