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.

Four intrepid and impulsive police officers form a special narcotics unit to combat the birth of drug trafficking on Spain's Costa del Sol in the 1970s.

Set in early 18th-century Madrid, the plot follows the love story between an agoraphobic cook and a widowed nobleman.