Emma, a foreign angel fish was travelling through Bangladesh river with a shoal of fish. Suddenly, she had got fainted because of contaminated water. When she woke up, she found Katla, A local fish, as a guide. During the journey, she found a lot of bug in faecal sludge management. Besides, from the statement of Rocket Magur, a local catfish, she also had been acknowledged that human are literally eating shit as they are eating those fish whoever eat shit. So, She decided to return back to her home as its almost impossible to survive here.