In 1944, in the Belgian - German border, seven German soldiers survive an American attack in the front and lock themselves in a bunker to protect the position. Under siege by the enemy and with little ammunition, they decide to explore underground tunnels to seek supplies and find an escape route. While in the tunnel, weird things happen with the group.

Tensions rise within an asbestos cleaning crew as they work in an abandoned mental hospital with a horrific past that seems to be coming back.

While shooting a documentary on the suspicious disappearances within the homeless community, a filmmaker and his crew go missing while uncovering a terrifying and vicious secret below the city's surface.

Inspired by true events, Olympic swimmer Harry Melchior defects from East Germany in the 1960s and hatches a daring plot to help his sister and others flee East Berlin through a 145-yard underground tunnel.

After a passenger ship sinks in 1954, Go Akutsu devises a life-saving project in the form of a tunnel under the Tsugaru Strait. While working on this project Akutsu becomes involved with Tae Makimura leading to his estrangement from his wife.

Three ex-cons buy a luggage shop to tunnel into the bank vault next door. But despite all they can do, the shop prospers...

Spain, 1973. Dictator Francisco Franco has ruled the country since 1939 with an iron fist; but he is now a very old and sick man. The future of the weakened regime is in danger. Admiral Carrero Blanco is his natural successor. The Basque terrorist gang ETA decides that he must die to prevent the dictatorship from continuing.

Police catch a break when suspected kidnappers are spotted on a train heading towards Union Station. Police, train station security and a witness try to piece together the crime and get back the blind daughter of a rich business man.

Shopkeeper Victor Garnier has naively invested his family's life savings in an African mine, on his banker's recommendation. When the mine is nationalized, rendering the stock worthless, he considers himself shamelessly robbed by the bank; it seems only fair to him to return the 'favor' and rob the bank, teaming up with the whole family as they were all duped. Even for professionals such an enterprise -he decides to dig a tunnel- is quite demanding, but for simple commoners it's daunting, as they also have their personal downsides; thus Victor's wife has a most unwelcome tendency to blurt out the truth, even to the grumpy local copper: a crazy risk when you need to keep a criminal plan secret.

In the opening stages of the Bosnian War, a small group of Serbian soldiers are trapped in a tunnel by a Muslim force.

Four prison inmates have been hatching a plan to literally dig out of jail when another prisoner, Claude Gaspard, is moved into their cell. They take a risk and share their plan with the newcomer. Over the course of three days, the prisoners and friends break through the concrete floor using a bed post and begin to make their way through the sewer system – yet their escape is anything but assured.

Aspiring business man is on the way to a meeting when he is disturbed by a man on the floor, after their brief encounter he tries to get on with his day, but fate has other plans.