Not a Big Problem - S1.E25

The three sisters meet with Yomiko and the others, and they spend a week searching for the British Library's secret location. They finally deduce the right place and discover Mr. Kim working for the British Library. After forcing Kim to help them infiltrate the headquarters. They split into three groups to rescue Junior, rescue Nenene, and capture Joker. The Paper Sisters successfully find Nenene, but Yomiko loses her nerve when facing down Joker. In the Special Operations base, Wendy is forced to hook Junior into the Gentleman Resurrection machine; while she is willing to do this, she asks him that if part of his own identity survives, to "feel free to take his revenge" on her.