Seren, the fashionista is back but this time she is in Dublin at the Passion for Fashion challenge. She is invited to join the Molly Malone girl detectives in a race against the clock to solve the mystery of the missing prizes.She also discovers a threat against the Book of Kells and a smear campaign against successful women. Vlogs, blogs, new apps and podcasts are now a big part of her life and Seren gives her advice on how a teenager can keep safe online.