A Mother's Son

What is A Mother's Son about (plot, summary)
When a teenage schoolgirl is murdered in a quiet coastal town, a mother finds a pair of stained trainers - and begins to suspect that either her son or stepson may be involved.
When a teenage schoolgirl is murdered in a quiet coastal town, a mother finds a pair of stained trainers - and begins to suspect that either her son or stepson may be involved.