Yang Xiaolong, who works in a cafe, visited the seaside for the first time and eagerly jumped into the water to play. However, he was stung by a highly toxic blue-ringed octopus. Unexpectedly, this misfortune turned into a blessing as Yang Xiaolong’s consciousness was able to attach itself to the octopus. From that moment on, the ocean held no secrets for him, and fishing, treasure hunting, and adventure became his daily life