Alpha transfection, in which the P-virus caused by pheromone imbalance is expressed. In order to stabilize pheromones, we are looking for a solidarity who will pray only for us for the rest of our lives and conducting a bonding of "P solidarity." Korea's only scentless and odorless omega, bond with Korea's notorious Alpha but despite not being enthusiastic, becomes pregnant. Sae-in runs away to protect the child, and a terrible truth is revealed afterwards...