A global cataclysm, caused by a fatal accident in Geneva (Switzerland) during the implementation of the particle accelerator will lead to the crew and students of the school-ship Polar Star to live the greatest adventure of their lives. Isolated and aware that we only have each other, the ship will become their only home.

Sira Quiroga is a young Spanish dressmaker engaged to a solid suitor when a suave typewriter salesman upends her life. Spain is being upended by a civil war and the new regime's growing alliances with Nazi Germany. Sira, smart, gutsy and resourceful with a Scarlett O'Hara-like ability to whip up designer duds on a moment's notice, Sira has spunk. Sira gains and loses a small fortune, is dumped by her cad of a lover in Morocco, runs guns to get the cash to start her life anew and becomes couturier to the Nazi wives stationed in Madrid. Urged on by her friend, the real-life British spy Rosalinda Fox, Sira, too, aids the British cause.

Max is a Jack Russell dog genetically modified for criminal purposes so he is able to talk. Running away from the criminals he's working for, he is wounded, then saved by detective-wannabe Alberto, who is fire and house-hunting. They end up staying with Alberto's sister-in-law Marta and her two children. Thanks to them all, Alberto finally manages to be a detective, and he and Max establish their detective agency: Sabuesos.

A gang of gold thieves land in a coven of witches who are preparing for an ancient ritual... and in need of a sacrifice.

The accident suffered by his son Leon, marks Alberto forever. From that moment, someone enters his world: an immigrant that, by saving his son, will make Alberto feel guilt and at the same time gratitude, which will give a definite turn to their lives.