Milon Tithi is the story of a male and two female characters Arjun, Ahona & Bonhi. Arjun is a rich, young man who falls in love with Bonhi but Arjun gets married to Ahona. Ahona is the daughter of a house owner and Bonhi is the daughter of a maid servant. Arjun always keeps Bonhi happy with all her greedy needs and Ahona sees Bonhi as her best friend, but Bonhi dislikes Ahona and uses Arjun. This serial story is based on two female characters, Ahana & Bonhi. Ahana always tries to be a good friend to Bonhi, but Bonhi likes Arjun and tries to hurt Ahona and separate her from Arjun.