In the deepest part of the Big Blue Sea lives Oscar, a Big Blow Fish. Despite of his size, Oscar is very shy. In fact, he only comes out of his cave at night, when the others are fast asleep. That is, until Oscar found out that Stanley, the meanest Octopus in the Sea, had something that Oscar really wanted to borrow but was too scared to ask. He was faced with a dilemma... Unfortunately, Oscar finds himself in “hot water” when darkness takes over the sea. Will Oscar be able to straighten things out again and save the sea?