Surya (Prashanth) is a carefree youth living in Malaysia with his brother Chandramohan (Raghuvaran) and sister-in-law Devi (Sukanya). Chandramohan and Devi are childless because of a problem with Chandramohan. Surya falls in love with dancer Priya (Riya Sen) and manages to steal her heart too. Just when things seem happy, a bombshell is dropped by a Sister Mary who tells Surya that he is the father of a small girl Pooja. Pooja must undergo an operation to save her life but insists on seeing her dad before agreeing to the operation. Surya agrees to pose as her dad and is forced to do so on a more permanent basis even after the operation is done. He is driven out of the house and loses Priya, who agrees to wed an earlier suitor, Shyam (Sanjay Asrani). Person who happens to be the dad of Pooja’s mother wants to kill Surya for cheating his daughter but ends up being arrested by police. Second half shifts to Cruise ship, where Chandramohan finds out that Pooja is actually his daughter. The film ends with Surya and Priya reuniting.

Thiruppaachi and Sengulam are neighboring villages with a history of enmity between them. Maayan (Manoj) and Machakanni (Riya Sen) meet on the day of her engagement and its love at first sight. Her marriage itself gets called off when the groom and his family insult Machakanni’s family and her romance with Maayan continues. But when her brother finds out about him, all hell breaks loose. The turned-down bridegroom is still itching for revenge and figuring out that the only way to extract it is to marry Machakanni, he pleads for forgiveness and succeeds in melting her brother’s heart. The marriage is finalised but Maayan’s friends swear to unite the star-crossed lovers. There is also a subplot of Maayan’s aunt (Radhika) trying to get her daughter married off to Maayan.