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.

Marina Quiroga, a daring upper-class girl with a detective's soul, sets off to catch the serial killer that has been terrorizing her town with her faithful butler Hector's help.

An accidental killing leads a man down a dark hole of intrigue and murder. Just as he finds love and freedom, one phone call brings back the nightmare.