Sathi Leelavathi(1995) Tamil

Arunachalam alias Arun is married to Leelavathi alias Leela in a forced marriage. He is embarrassed by his wife's plain looks and weight. When he meets Priya, who works in a building construction company, he hides from her the fact that he is married and has an affair with her. When he takes Priya with him on a vacation to Bangalore, he bumps into his old friend Sakthivel Gounder, an orthopaedic surgeon from Coimbatore who is also in Bangalore with his wife Palani and his son Anand travelling with him in the same flight and even staying in the same hotel. Sakthivel is called to Arun's room in the night as Arun has slipped his disc and the hotel doctor is unavailable, and bumps into Priya, thus finding out about the affair. After returning to Chennai, Priya finds out that Arun is married, but decides to continue with him when Arun says he was forced into marriage and promises to divorce his wife. When Arun's wife Leelavathi discovers Arun's affair, she has a huge showdown which leads to Arun leaving the house. Then, Leelavathi plans a series of dramas which makes Priya hate Arun. She does this with the help of Sakthivel, her father-in-law, children and Priya's old lover Raja. Finally Priya unites with Raja apologising to him and Arun unites with Leelavathi.