This film is based on the true story of the Catalan lawyer and engineer Narcís Monturiol i Estarriol (Figueres 1819 - Barcelona 1885) who invented the submarine.

Geltra and Pau don't know each other, she's 23 and tired of all the experiences she's gone through. He's 19 and just left home not knowing where to go or what to do. They will meet in this road trip while heading to a place in Delta de l'Ebre called "Casa Blanca".

A bank robbery goes wrong. The robbers, two of them unemployed family men, take two hostages, one of them needing heart medication, and leave them in an apartment, tied to a bomb. The police has to find the apartment before the bomb explodes. At the same time, in the same house, two old men are solving a jigsaw puzzle, and a female cellist practices the Bach cello suites.

In 1909, the Rigau brothers are the owners of the most important textile factory in Feixes. When Francesc dies, Julià, a dark and ambitious ex-military man, takes over the steamer and confronts everyone to make uniforms for the Spanish army that is fighting the war in Morocco.

In 1939, Ramón was a young man, caught up in his Barcelona family's involvement on the Republic side in the brutal Spanish Civil War. He and his family fled into exile ahead of Franco's troops. Now it is many years later, and he has come back to see how his old homestead fared in the intervening years. The only person he can find who is able to remember those years clearly is his family's old butler Claudio.

Based on real events, in 1972 Juan and José are two textile workers from Tarrasa, Catalonia (northeast to Spain) who meet during an UFOs' convention. Both share their passion about the paranormal, specially about UFOs. In these years where was very much UFOs' sightings, they feel captivated by the mystery and start to investigate the diverse theories about the intentions or purposes of the sightings. Their friendship and the obsession they have will turn in dementia and paranoia, hurting their relations with their respective friends and familiars and exposing their lives to an extreme decision due to the conclusion of their own investigations. Written by Chockys