I Asked You to Catch the Sea, and You Caught the Nuclear Submarine.

Zhang Yang is a student at Ocean University, and he goes live fishing in the sea in order to earn tuition. Others fish for food, but he fishes for "merit". On the first shot, an unknown corpse was caught (it was even warm). On the second shot, I caught a biological and chemical gas bomb left over from World War II. The third rod directly caught a sneaking foreign nuclear submarine...