The Camino de Santiago is an unforgettable experience for thousands of pilgrims who every year are encouraged to enjoy its wonderful landscapes, its millenary history or its unique art. Each walker has his own purposes to do it and they all realize that it changed their life a little bit. Eloísa and Froilán are two brothers who one day decided to cross it and were immersed in a succession of disappearances. Go ahead and follow them in their adventure and discover with them the Primitive Way. You will not stop laughing with The mystery of the alfonsina emerald.