By Charlotte Tutton Coronation Street newcomer Rowan is hiding something huge, and Leanne Battersby could be in danger. The character, played by actor Emrhys Cooper, debuted on the show recently as the host of a seminar for a place called The Institute. Leanne took stepson Simon Barlow along amid him being troubled, and almost going to prison. Leanne got talking to Rowan and he told her all about the institute and what it aims for, leaving Leanne inspired. Days later they crossed paths again, and Leanne was won over by the wellness mentor’s next seminar which she attended, with her and Simon c…