The film tells the story of Professor Dinanath who invents a potion that can make anyone who takes it invisible.

Kakoli and Sukanto meet in a library reading room. They gradually grow closer to each other and start meeting frequently. One day, she visits Sukanto at his home and her appearance moves everyone in his family. Sukanto's mother wants them to marry but Kakoli's parents refuse the proposal. So, Kakoli leaves the home of her father and begins working as a receptionist. However, misunderstandings soon develop between her and Sukanto.

A promising artist and a singer fall in love in college and get married against their families' wishes. The singer soon begins performing to support her husband and becomes nationally renowned. On the other hand, the artist fails to earn a livelihood and becomes alcoholic.

A tourist guide meets an unhappy married woman who wants to take up dancing. With his motivation, she becomes a successful dancer but success corrupts the man's mind.

Gauri, an orphan, is falsely accused of theft and lands up in a reformatory run by Ashok. Due to her rebelliousness, she gets into trouble. But, gradually she comes into her own with Ashok's help.

Raju faces many hurdles and disappointments in matters of the heart throughout his life. But as a clown in a circus, he tries to make his audience laugh at the cost of his own sorrows. Along the way, Raju loves and loses, but must always keep a smile on his face because, in the words of his circus manager, "The show must go on."

Newspaper editor Amar (Kumar) grows distant from his wife Meeta (Tanuja) because his new assistant is her former lover Shashi (Thakur). Amar cannot accept that his wife is no longer enamoured of Shashi

Pushpa, thrown out of her house by her husband, is pushed into prostitution by someone she trusts, and has a complex relationship with an unhappily married businessman, but finally gets what she has always longed for.

Zamindar Surya Kishore Chowdhury is a kind-hearted man who loves playing chess and is a fantastic singer. While he cares for his estate and the people, he is careless towards his wife, Indu's feelings. Dr. Bijoy Chakrabarty, who was helped by the zamindar during his student days, lives in his palace and one day, he successfully executes his plot to murder the zamindar while coercing Indu to keep quiet. However, fate takes a different turn and in the cremation grounds, a monk saves the life of the zamindar, who returns to his estate no more as an aristocratic noble but as a monk at heart.

A middle-class family living a decent life suddenly comes across an unexpected luxury that costs them an unwanted change in their life.