U and Eden

Exploring a luxury resort in Argentina, a Greek palace above a Mexican city and a former hotel in Hawaii.

Exploring a crumbling dam hidden in the Welsh valleys, a quaint outpost on a paradise island, and a mastery of ancient engineering that brought life to the planes of Mexico.

Exploring a picturesque French castle, the ruins of a Kansas City hospital, an ancient Turkish city, and an island in Ireland that brought its inhabitants closer to God.

Exploring a complex in Georgia pointing into deep space that almost discovered a signal from aliens.

Exploring Hartwood, a haunting facility in Scotland, ruins of an ancient city in Iraq and a scandal hit town in New Mexico.

Exploring a royal retreat caught in a web of corruption, an engineering marvel hidden behind the Niagara Falls in Canada, and a subterranean treasure.

Exploring a luxury resort in Argentina, a Greek palace above a Mexican city and a former hotel in Hawaii.

Exploring a crumbling dam hidden in the Welsh valleys, a quaint outpost on a paradise island, and a mastery of ancient engineering that brought life to the planes of Mexico.

Cryer and Martella investigate an army surplus shop that seems to be stocked with stolen goods.

When a young baby is kidnapped by a mystery man, CID turn their attentions to the baby's mother who appears to have something to hide.

In the course of closing down a drugs ring, Haynes and Ramsay are involved in a car crash that injures a child.

Ackland and Edwards uncover a shed full of rotting chicken corpses.

Quiz in which contestants try to score as few points as possible by plumbing the depths of their general knowledge to come up with the answers that no-one else can think of.

Quiz in which contestants try to score as few points as possible by plumbing the depths of their general knowledge to come up with the answers that no-one else can think of.

In 2006, an undercover police officer comes forward with possible information about Oliver, while in the present day, Emily returns to France as the case is reopened.

In 2006, the investigation is thrown into disarray by a murder. In the present day, the stress of reopening the case begins to take its toll on Emily and Mark's relationship.

Cryer and Martella investigate an army surplus shop that seems to be stocked with stolen goods.