Twelve-year-old Joshua disappears into the night after a row, and 13-year-old Katie walks out of home leaving a suicide note.
Just six weeks after his wedding 28-year-old Darren vanishes, leaving Inspector Simon Orton and the team at Durham Police baffled. As detectives dig deeper into events leading up to Darren's disappearance, they uncover secrets and lies.
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.
Five-year old Tyler is reported missing by his father after a dispute with Tyler's mum.
One winter morning, 49 year old George Richardson walks out of his home in Crewe. He tells his wife he is going to the job centre but instead he vanishes. It is the job of inspector Daryn Wilcox and the team at Crewe Police to find him.
Cheshire Police launch a large-scale search when 77-year-old Jean mysteriously vanishes after leaving home to go to a doctor's appointment. As the investigation develops, they leave no stone unturned, calling in the services of Cheshire Search and Rescue volunteers, the National Police Air Service and the North West Police Underwater Search & Marine Unit.
Cheshire Police launch a major search operation for the missing 40-year-old Michael Price, but, as the weeks turn into months, the passing time proves torturous for his loved ones and they remain in limbo and frustrated at the lack of developments. Underwater Search, NPAS helicopters and specialist search resources check every nook and cranny of his home town of Northwich to no avail, and a number of potential phoned-in sightings from members of the public just add to the mystery. Last in the series.
It's a Sunday evening when Cheshire Police get a call from Mark Moran of the Veterans Association, a charity. The charity's founder, former soldier Mark Smith, has not been seen for almost 24 hours, following an argument with his wife Denise.
Eighty-three-year-old John only turned his back for a moment while buying some parsley, but that was long enough for his wife Sheila, who has dementia, to disappear from his sight and into the busy streets of Gloucester town centre at lunchtime.
It's late at night when 25-year-old Oli calls Gloucestershire Police. His father, Michael, has missed an appointment with his mental health worker, and no-one knows where he is. Michael is known to be suffering from paranoid schizophrenia.
Thirty-seven-year-old Aaron hasn't been seen for two months and is reported missing by the Gloucester homeless healthcare centre that usually treats him. Officers scour the streets and homeless shelters of Gloucester but can find no trace of him.
Police mount urgent searches for two vulnerable autistic young men. Eighteen-year-old Matthew has missed his usual bus home, while 29-year-old Luke has disappeared from his care home.
Police concern mounts for two men at risk of exploitation. Fifty-eight-year-old Gavin has vanished after giving away money, while a student has disappeared after joining a mysterious church.
Police deal with two different missing people who both may be at risk. Mark has left a troubling note for his wife, while a potentially suicidal woman has vanished.
Police race against the clock to find two missing women, both of whom are at potential risk of harm from abusive ex-partners. Yasmin has failed to return home from work, while Amy failed to pick her children up from school.
Police concerns grow about the mental state of two missing teens - 16-year-old Larissa has disappeared after an argument with her mum, and 18-year-old Bobby may be a suicide risk.
Police fears grow for missing 19-year-old student Xiaoqiang, who may be at risk of extortion, and 20-year-old Daniel, who has failed to return from mountain hike by night-time..
Police mount urgent searches for two teens missing from care - a 13-year-old who has failed to return after school, and a risk-taking 18-year-old who has not been seen for five days.
Police launch high-risk searches for two missing women - 22-year-old Santra was last seen on CCTV 10 days ago, while 52-year-old Laura has vanished without trace for two weeks.
