In this dramatic conclusion to the case, brace yourself for a wedding, a funeral and a shocking twist in the tale as Hal unearths a secret about Hilary that no-one could have guessed.

When an American student vanishes into thin air, no one seems to notice, or even care. Is she on the run? Has she been kidnapped? Or is something more sinister, even paranormal, at play? Ignored by the police, shrugged off by neighbours, it falls to one man, a friend she knew online, to track her down.

Having pursued a fruitless lead to Shanghai, then Germany involving a pop star called Geegee Spank and a dubious record producer Shmorgen Horgenshlong, Hal got an email from missing student Hilary, apparently captive in a basement.

It was time to meet the Welsh woman with all the answers – Mysterious Linda.

When an American student vanishes into thin air, no one seems to notice, or even care. Is she on the run? Has she been kidnapped? Or is something more sinister, even paranormal, at play? Ignored by the police, shrugged off by neighbours, it falls to one man, a friend she knew online, to track her down.

Having discovered that missing student Hilary is now a pop star in Shanghai known as Geegee Spank, in this episode our investigators head to a recording studio in Germany to question Shmorgen Horgenshlong, the Dutch producer of the hit, 'I Want Your Touch Me'.

When an American student vanishes into thin air, no one seems to notice, or even care. Is she on the run? Has she been kidnapped? Or is something more sinister, even paranormal, at play? Ignored by the police, shrugged off by neighbours, it falls to one man, a friend she knew online, to track her down.

In this episode, our investigators know no bounds in there search for the truth, and head to Shanghai (which they seem to confuse with Japan) to find Hilary has a dark, yet glamorous, secret.

When an American student vanishes into thin air, no one seems to notice, or even care. Is she on the run? Has she been kidnapped? Or is something more sinister, even paranormal, at play? Ignored by the police, shrugged off by neighbours, it falls to one man, a friend she knew online, to track her down.

In this episode, Hal's investigation leads him, and his newly recruited sidekick Sim, to Wales and an arresting development involving and angry policeman, an exotic passport and the mysterious Linda.

When an American student vanishes into thin air, no one seems to notice, or even care. Is she on the run? Has she been kidnapped? Or is something more sinister, even paranormal, at play? Ignored by the police, shrugged off by neighbours, it falls to one man, a friend she knew online, to track her down.

When an American student vanishes into thin air, no one seems to notice, or even care. Is she on the run? Has she been kidnapped? Or is something more sinister, even paranormal, at play? Ignored by the police, shrugged off by neighbours, it falls to one man, a friend she knew online, to track her down.

Meet keen amateur investigator Hal, his trusty sidekick Sim and a vexing quandary that will take them all over the planet in the search for truth, and at least six short episodes to solve.