The Gecko brothers and the Fuller family find themselves in over their heads whilst Seth's deal with Carlos might not happen after all.

Seth and Richie find they've been double-crossed; the Fullers confront their demons.

Uncle Eddie helps Rich and Seth make a plan to complete Santanico's revenge. Meanwhile, Freddie and Kate encounter an unexpected foe following Malvado's attack.

The Geckos have been demoted to “collectors”, while their organization has been infiltrated by a mysterious new enemy hell-bent on destroying them, the Lords, and all culebras.