When the Mermicornos find a community of fish being bullied, Gwen takes matters into her own hooves.

The Mermicornos finally make it to the Mermicorno Kingdom ... but new revelations threaten to change the Mermi-Crew forever.

The Mermi-Crew set out in search of Valentina ... but soon realize that while finding her is easy, getting her to leave is hard.