The Eve of the Chinese Festival(右門捕物帖 卍蜘蛛)

A kabuki actor is assassinated during a New Year celebration show, in front of everyone, fortunately the great detective Umon is among the audience. Along with his quirky assistant they set on the trail of revenge killing. Revenge for what? Who and where is the killer? And what does a treasure and swastika spider tattoos have to do with the case?