The BBC's absorbing children's drama is back with yet more mysteries for our four loyal friends Flavia, Nubia, Jonathan and Lupus to investigate and solve. Whether they are dealing with assassins or searching for kidnapped children, it is the trials they face in every episode that continues to strengthen their friendship. Set in the time of the Roman Empire, against a backdrop of one of history s most turbulent periods, the bond between our four social misfits continues to grow and develop as they set out on a journey of exploration and discovery.