In 1839, months after the British army has repressed the insurrection of the Patriots, hundreds of rebels are still in prison. The morning of February 14, Marie-Thomas Chevalier De Lorimier and Charles Hindelang learn that they will be hung in 24 hours, with three others. While they await their death the condemned spend time and consult with companions and loved ones as well as entrust to those their last wills. At dawn, the five Patriots will walk to the scaffold, knowing will they die.

February 15, 1839

Pauline goes on trip and never returns. Did she deliberately vanish, or did she just abandon her life, or is this an invitation for someone to start searching for her? Simon, her fiancé, intends to find out... Several months after the disappearance, Simon learns of Pauline's death abroad. While cleaning out her apartment, Simon discovers that Lazare, Pauline's cat, still occupies his master's apartment. He possesses an extraordinary long-term memory... and a need for revenge!