Front of Aragon, 1937. Lluís, a young republican officer destined for a temporarily dormant position, meets an enigmatic widow of whom she falls in love, Carlana, who manages to fool him to falsify a Document that makes it the lady of the region. The best friend of Lluís, the Soleràs, a degraded officer, discovers the fraud and, in exchange for not exposing him, he demands that he move away from the bombings of Barcelona his son and his wife, from whom he is Secretly in love When Trini arrives at the town, it does not take long to discover the betrayal of Lluís and establishes between them two a "state of war" that will make all moral bases stagger.
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.
Set in early 18th-century Madrid, the plot follows the love story between an agoraphobic cook and a widowed nobleman.
