Samantha Smith presents a report on stalking and examines how the crime damaged the life of popular TV presenter Alexis Bowater. Alexis now runs a charity that both supports victims and campaigns for the crime to be taken more seriously. Samantha also meets victims and confronts a persistent stalker. Plus, Nick Baker travels to Yarner Wood on East Dartmoor and finds out how migrating pied flycatchers are being affected by climate change.