The show accompanies six guys who step up to protect the ocean. Led by Korea’s best swimmer, ‘The Marine Boy’ Park Tae-hwan and five celebrities volunteers to preserve the marine ecosystem. The flew to the Philippines and dove into the ocean, seeing the beautiful nature themselves. They also monitor how vulnerable the marine ecosystem can be to pollution. On a remote tropical island, “The Ocean Protectors” participate in the environment preservation project. The sun is burning, the ocean is constantly changing, and some unpredictable incidents keep happening. Can the six guys complete their mission? Let’s follow their journey with blood, sweat, and salty tears.