Thanneer Mathan Dinangal

The film follows the life of a cynical yet honest eleventh-grade student Jaison. He changes to the science batch from humanities as he is very ambitious and aims to be the best in his class. However, after failing ridiculously in a class test, it becomes clear to him that ambition alone was not enough. He maintains a social circle around him through being a regular at a juice and snack shop with his batch-mates. Meanwhile, he starts to have a crush on his classmate Keerthy, who does not reciprocate his feelings. This makes him extremely aggravated and annoyed.

A new Malayalam teacher, Ravi Padmanabhan joins the school. During their first class, Jaison rubs him up the wrong way. This does not sit very well with Ravi who is both a narcissist and someone who loves attention. Hence, Ravi often snubs Jaison. Ravi's influence on everyone irritates Jaison and he openly complains about Ravi being a fraud. They enter the twelfth grade. To forget Keerthy he woos Stephy a new eleventh-grade student. He calls her frequently but realizes that it is not working. He later breaks up with Stephy and realizes that Keerthy is his love. This meanwhile had enraged Basil another student at the school who wanted to woo Stephy as well, therefore, getting into a fight with Jaison for her. Jaison in his own way finally woos Keerthy and she reciprocates his feelings. Ravi finds out their relationship and calls in Jaison. Ravi says that he knows that Jaison does not like him and is speaking ill of him. Hence, he would make Jaison's life harder at school. Ravi is then suddenly called into Principal's office. He is revealed to be a fake teacher with fake qualifications and is later found out to be a thief too. Ravi is chased around the school grounds by the police and finally caught. Jaison does not wait in celebrating his victory over Ravi.

Meanwhile, Keerthy is caught by her mother talking to Jaison. She is mercilessly grounded by her parents. She manages to call Jaison and tells that she is going to Chennai for her studies and asks him to meet her the next day after the exam. After disconnecting the call Jaison is threatened by Basil. This provokes Jaison so he and his friends beat him up. The next day he fails to meet Keerthy as he is called by the principal for the problem he had created. But he does manage to catch Keerthy's bus, he then grabs her and they run away. Jaison urges Keerthy to elope but she says that's not possible as it's not the realistic way of dealing with the problem and promises that she will never leave him. Keerthy goes to Chennai. A few months later, Jaison and his friends are at the temple. It is revealed that Keerthy is set to return from Chennai. Jaison wonders who may have stolen Keerthy's power bank, which went missing during a class trip. It is then revealed that it was Ravi who stole it, and he is seen teaching in a Kannada school in a new makeover and with more prowess than he displayed at Jaison's school.

The film's music was composed by Justin Varghese and the lyrics were penned by Suhail Koya.[6] The song Jaathikkathottam sung by Soumya Ramakrishnan and Devadutt Bijibal, garnered popular acclaim upon release.[7][8] The song Shyamavarna Roopini released on 24 July was inspired from a traditional song of the same title.[9]

Being a low budget film the film had a limited release. It had its initial release in Kerala and few other centers outside the state on 26 July.[10] The film was released in Qatar, Oman, Kuwait, Bahrain, UAE, and New Zealand on 8 August 2019. A day later, the film got its theatrical release in United Kingdom, Australia and Ireland. The film was released in United States on 14 July 2019.[11][12]

Thanneer Mathan Dinangal at IMDb