Remember Aaron off Emmerdale, aka Danny Miller? Well, he's joining the cast of Scott and Bailey tonight, just as the series reaches its half way point, and we're rather excited to see what's in store. Remember that rather disturbed saleswoman, Helen, from the season opener? Well, she turns up on Janet's doorstep tonight with some rather important information, taking their investigation in a whole new direction. Meanwhile, new recruit Sgt Rob Waddington (Miller) swans in, giving our girls a bit of food for thought...