The monkey decided to visit her relatives at Monkey Go Happy Stage 551. Monkeys live all over the globe and our heroine periodically travels, stopping by to visit them. This time the monkey intends to go down under the water. You will be surprised. But underwater primates also exist and now they are in a real crisis. A small pile of sea monkeys rioted and staged a real rally with posters and slogans. The huge sperm whale also joined them. You will help the heroine figure out what's what and help solve underwater problems in Monkey Go Happy Stage 551.