In an American desert town circa 1955, the itinerary of a Junior Stargazer/Space Cadet convention is spectacularly disrupted by world-changing events.

A group of urbanites flee the city for different reasons: existential, economic crisis, need for fresh air, search for peace, inspiration to compose ... The intention of these strangers is to settle in an abandoned town and start their lives from scratch, but when they arrive they discover that there are still some neighbors: rural people with a very different way of seeing life.

A soldier from the 15th century, a university student from the 19th century and a nurse from the present join the secret 'Department of Time', a secret department within the Spanish government with the ability to travel through time. Their mission is prevent changes in history.