Antonia wakes up alone facing a mural. Why didn't Ezequiel kill her? The assassin wanted to deliver a message. A message that leads Antonia and Jon to a taxi car and to discover the true identity behind Ezequiel. The Kidnapping Unit has also found Ezequiel's address and taxi car, but Antonia notices that the pieces don't fit together as neatly...

Antonia's father accuses her of kidnapping her own son and is about to get her arrested, but Jon helps her escape. Alone and with all the city police behind her, Antonia seeks to hide in order to think of a rescue plan for her child. With the help of her memories, her mind, her old friends... and a costume, Antonia is about to take on the most important mission of her life.