Sira is seamstress in Madrid. She meets Ingacio and they will marry each others. But then Sira meets Ramiro in the typewriter shop and she can't stop thinking about him.
Trying to get on with her life, Sira is starting to adjust in the pension. From a triviality, her talent in sewing is revealed and seems her gateway from troubles
Sira's workshop is about to open. Her neighbour Felix and one of her new clients, Rosalinda, give her life a new turn. Past is now well behind her and fatality is making sure that she won't return.
Candelaria proposes Sira to create an exclusive shop in a luxury building in Tétouan. No one shows up at first, until a German woman orders some dresses.
Sira meets Alan Hilgarth, coordinator for the British Secret Service in Madrid, who offers her a new identity as Aris Agoriuq, an elite Moroccan costume designer.
Sira must get Da Silva to talk when he travels to Madrid for an exclusive New Year's Eve dinner party. While there, Sira meets Gonzalo, her father, who tries to regain a relationship with her, but, a new mission demands all her attention.
As part of the mission entrusted to her, Sira travels to Portugal. But without her realizing it, another person from her past who could endanger her cover, Marcus Logan, will travel on the train.
Sira tries to approach Da Silva's Spanish secretary to find out more about his business. This new alliance will be of great help to Sira, but it will also put her at great risk.
Panic-stricken Sira turns to Rosalinda to help her devise a plan to get an important message to Marcus and warn him of the danger he's in, but Marco is more concerned about Sira's safety than his own.
Da Silva enters the office and realizes something is not the same. He offers to accompany Sira in Lisbon knowing she has betrayed him, and he'll try by all means to capture her. Rosalinda is getting worried about Marcus's disappearance.
The most dangerous phase of the mission is at hand. Failing will cost lives but who'll pay? Marcus is in love with Sira and will fight for her freedom, Sira thanks him for saving her life but she needs to know if he fits into her life now.
