Ruby Gillman is an awkward 16-year-old trying to navigate high school life, unaware that she belongs to a royal family of mythical sea creatures—krakens. As Ruby embraces her true identity, she discovers her destiny is to protect the oceans from power-hungry mermaids, specifically Chelsea Van Der Zee, her classmate and nemesis. The film takes viewers on Ruby’s journey of self-discovery as she struggles to balance her human and kraken worlds, ultimately accepting her heritage to fulfill her role as a teenage kraken warrior