Nope, this is another film about which I didn't get the memo. Though Margit Carstensen performs addictively in the title role, the rest of this quickly descends into a rather tedious introspection of a sexually fluid woman who treats her secretary "Marlene" (Irm Hermann) appallingly at the best of times and even worse when attractive, aspiring and ambitious model "Karin" (Hanna Schygulla) arrives seeking a career - and maybe more. "Petra" falls for her: hook line and sinker, but her new paramour doesn't quite reciprocate. The torrid nature of their frequently gin-soaked on/off relationship…