Boy Missing (2011)

A ten-year-old boy disappears from a dinner in a little fishing village, while another vanishes from a refugee camp on the island. These are but the first in series of frightening events to take place on the island of Gotland, where a string of brutal murders are committed in quick succession. And what starts out as the search for a missing child, leads Maria Wern and her colleagues ever deeper into a nest of hidden agendas, personal betrayals - and links to international crime. For hidden beneath this little fishing paradise, lie secrets that prove more dangerous than anyone could have imagined…

IMDB