Who or what is the "conspiratii"? When Jane tries to crack the meaning of this mysterious word that keeps popping up in Peter Kramer's journal, a secretive Detective Cooper shockingly reveals his part in the shadowy group. Jane agrees to be their eyes and ears at The Drake, but Gavin is one step ahead of her. Meanwhile, Henry tries to track down Jane's estranged father to surprise her at a splashy engagement party Olivia is throwing them. Jane and Henry spend a magic night at the Dorans' party, while on another floor there is no love lost between Alexis and Louise when they have a final face-off and Louise learns the true depth of Alexis' hate for her.