A woman falls in love with a criminal; writes, visits and fights for a man she only met behind bars. This phenomenon is common in all prisons. The hostage takers from Gladbeck both married in prison - and divorced again. Anders Behring Breivik is showered with offers of contact in his cell; the legendary prostitute murderer Jack Unterweger had a relationship with his lawyer. The vast majority of these relationships fail. What attracts these women? Because men who fall in love with imprisoned women are almost unknown.