A possible concise summary is:
A father-in-law named Ranjeet gets his blind son Arun married to Mohini, a girl from a poor family, without revealing Arun's blindness. He does this to use Mohini for his sexual pleasure and rapes her on the wedding night. He also keeps Arun and Mohini locked in a room and threatens them. Mohini manages to send a video of Ranjeet's confession to her father, who comes to rescue her with the police. Ranjeet is arrested and Mohini regrets marrying into a rich family without enquiring about Arun. The narrator warns the viewers to be alert and safe from such crimes.
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