Edgar Wilson is a lonely clerk with a monotonous life. One night an advertising spot offers him to change his life but he rejects it. What he does not know is that he has been selected to be replaced by an unknown being.
Alfonso is a man who lives immersed in his work and in his own distractions. On the day of his son's birthday he decides to buy him a gift, however, a series of complications will make him understand the true meaning of affection.