To settle old scores with a police commissioner, Jagannath, a gangster hires a thug, Ranadheera, to abduct his daughter, Radha. However, trouble ensues when Ranadheera falls in love with Radha.
Siva, a carefree young man working in a courier company, falls in love with Shruthi, a radio jockey. However, they share a love-hate relationship after Siva lies to her.
Shanmugam meets his childhood sweetheart after many years and employs her as his housemaid as she urgently needs a job. However, his wife creates problems when she learns about their relationship.
Arjun falls for Shalini at first sight. Initially, Liya resists his advances, but later falls for his charms. When Liya's uncle Nambi , a dreaded goon, gets to know about the relationship, he makes life hell for Arjun.
Relangi Rajababu is such a 'nice guy' that he files a case against a girl who attempted to rape him, and did not succumb to her, because he wished to remain 'pure' for the woman he marries. After landing a job as an SI, his parents force him to get married because his dowry will be useful for his sister's wedding. No girl wants to marry him now, because they wonder if he is man enough since he rejected a girl like her. He ends up marrying a rich, plump girl Soundarya after his parents and family threaten to commit suicide if he doesn't accept the proposal. Now this 'nice guy' suddenly turns to other women and wants to divorce his fat wife. His attempts to make her grant him a divorce and whether he turns over a new leaf is the rest of the story.
Venu is a receptionist at a lowly beachside hotel in Vizag. He has a beautiful neighbor Nirmala. Her father's financial status is in bad shape and Venu helps them monetarily and morally. In the process Nirmala falls in love with Venu and Nirmala's family approves their relationship. Later on a well-off guy, Ramji, starts helping Nirmala and family out with luxurious items and better living conditions. Nirmala's father falling for this windfall, forces Nirmala to accept Ramji's marriage proposal by dumping Venu.
Geetha is in quest of finding a suitor. Just when she believes that she has found her perfect match, a stalker tries to convince her that he was her lover in their previous birth.
Sreekuttan falls in love with Shalini. Shalini's family is in financial trouble. Sreekuttan's on-and-off friendship with a wealthy man allows him to be Shalini's benefactor and suitor.
A newly appointed professor finds that his student has a crush on him and wants to marry him. He ignores her advances and marries an orphan. Not the one to give up, she continues to pursue him.
Rebellious Arivu (Manoj) -- who's incessantly at odds with his father -- shocks his family with his gallantry in this unconventional romantic drama. Forced to attend a wedding with his parents, Arivu graciously offers to marry Savitri (Richa Pallod) when the groom is a no-show. Though the jilted bride rejects the startling proposal, she later turns to Arivu after losing a cherished friend to suicide.
A criminal group wants to stop a courier that has damning evidence against them from reaching the hands of an activist, but they underestimate the young man who has to deliver the package
Thoondil is a romantic drama Tamil film starring Shaam and Sandhya directed by Adhiyaman. The film tries to work on the old saying "hell hath no fury like a woman scorned". Divya (Divya Spandana) is an upcoming model in London who meets Sriram (Shaam) an IT guy and falls in love. They sleep together but Sriram leaves her when Divya's boss tells him to stay out of her life if he wants to see her make it big. Divya feels betrayed when she finds out but does not know that her boss is the reason behind the split. Divya does achieve her dream and becomes a top model but is on a revenge romp to wreak havoc in Sriram’s happily married life to Anjali (Sandhya). Sandhya, is a cheerful girl whose only sorrow in life is that she doesn't have a child. And when she finally has a baby after 4 years of marriage to Sriram, Divya comes into her life and takes the baby away, saying that that is her baby. What happens after that forms the climax of the movie.
Raja is a tonga driver who fights for the downtrodden while Ammaji is an ambitious politician. He enters her house as her grandson-in-law to fight for justice and end her tyranny.
Ashok and Geetha fall in love and vow to get back together as adults when their parents force them apart. Years later, Ashok becomes engaged to Charu and the wedding plans go smoothly until Geetha suddenly returns to Ashok's life.