During a day at the beach with his friends, a man named Francis notices something swimming swiftly and graciously in the shallow waters of the bay. At first he steps back on the beach, afraid that he’s about to meet a crocodile or an alligator, but then he realizes that the creature is smaller than expected. Francis steps into the shallow waters to investigate, but the animal disappears. However, he soon feels something grab his foot, and suddenly sees the creature right next to him. He screams in shock, but what he does next is even more surprising.