In Darlington, the police are increasingly concerned for the safety of 12-year-old Joshua, who storms off after a fight with his mom; in County Durham, 13-year-old Katie disappears from home, leaving a troubling suicide note behind.

Just 6 weeks after his wedding 28-year-old Darren vanishes, apparently into thin air.

When Peter checks on his 82-year-old father at home one morning as normal, he finds the house empty; suffering from advancing dementia, Archie has vanished leaving no sign of where he might be.

Following missing person investigations as they unfold, capturing the frantic efforts and quick thinking of police officers, as well as the local communities who rally together to form search parties.

Following missing person investigations as they unfold, capturing the frantic efforts and quick thinking of police officers, as well as the local communities who rally together to form search parties.

Following missing person investigations as they unfold, capturing the frantic efforts and quick thinking of police officers, as well as the local communities who rally together to form search parties.