The four dogs of the Doghouse

In the story, Cano's tragic demise at the hands of his own brother, Canello, serves as a pivotal moment that brings a sense of betrayal and sorrow to the narrative. Canello, driven by jealousy or other motivations, ultimately leads to Cano's downfall, highlighting themes of family loyalty and betrayal.

After Cano's death, his loved ones are searching about the why, and how he died and what to do to get the revenge about his death.
What will be happen next?