Alberto is still jealous after Luca starts hanging out with Giulia more than him, soon he meets a feral Siren and they both get attached to each other, but the Siren is being hunted and the three friends must find a way to protect her from any dangers... or even some of their own.
When beatstar is seperated from her tribe and family in a terrible rainstorm, she winds up in portorosso where she meets Alberto Scorfano, a free-spirited, independent sea monster who promises to return beatstar to her home by winning the portorosso cup to get a vespa. Along the way the two will begin to explore the depths of love as the two different species begin to fall for each other. Will beatstar return to techno reef and stay with her dear sea monster? or will it tear them apart?