Su Chen is reborn as a juvenile Kraken of the North Sea, wielding a Devour-and-Evolve System—he proactively pledges allegiance to Shenxia to secure nationwide feeding. When Blue Planet faces imminent crisis, Su Chen steps forward to lead Shenxia against alien invaders. Meanwhile, extraterrestrial forces secretly conspire, colluding with foreign powers to relentlessly provoke and attack.