A variety of undercover agents, from spy dolphins to spy tuna and turtle, embark on a groundbreaking mission to infiltrate the clandestine realm of dolphins. Mingling with these intelligent and enchanting creatures, the new spies find themselves constantly in motion – riding the waves with surfing bottlenose dolphins and racing alongside a massive pod of spinner dolphins. 影评：这部纪录片展现了海底动物之间引人入胜的互动，让观众仿佛置身于一个神秘而奇妙的世界中。从潜伏在海豚族群中的间谍各自的视角，揭示了海洋生物之间奇妙的沟通方式和智慧。观众将被带入一个充满惊喜和敬畏的冒险，与这些迷人的生物一起探索海洋的秘密。