The South Yorkshire Police deal with complex cases of parents living in fear of their own children. In Sheffield, a mother asks for her 15-year-old to be taken into custody after he starts causing damage at their home, and for the second time in thre... (more)e days, the same officers are despatched to a report of a son attacking his father. Elsewhere, a distraught mother is under siege from her violent and aggressive 23-year-old son.