Apakah akan terjadi apabila nisbah perempuan lebih tinggi berbanding lelaki? Siti Aishah ataupun Sam (diana Amir) merupakan seorang perempuan yang berpewatakan kasar, tinggal bersama ayah dan adik tirinya selepas kematian ibu bapanya. Selepas beberapa kali bertukar universiti, Sam akhirnya memilih untuk melanjutkan pelajarannya bersama rakan baiknya Ayam (Pierre Andre). Di sana, Ayam memomokkan Sam dengan artikel tesisnya iaitu 'perempuan 37:1 lelaki, menyebabkan Sam rasa tak senang duduk dan mula mencari jalan unyuk mencari teman lelaki segera sebelum menjadi andartu. Sam secara tidak sengaja terlihat lelaki idaman remaja, Nazril (Farid Kamil) dan memutuskan utk memikat beliau. Malangnya Nazril tak berminat langsung dengan Sam dan rakannya, Ayam sendiri tidak menyokong usahanya itu. Namun ianya tidak mematahkan semangat Sam. Adakah Sam, seorang perempuan kasar dapat memikat hati Nazril? Nantikan filem 3, 2, 1 Cinta di pawagam berhampiran anda.
What will happen if the ratio between females is higher than men? Siti Aishah, who is also known as Sam, (Diana Amir) is a girl who has a rough character. She lives with her father and her step younger sisterafter the death of her parents. After studying in a number of universities, Sam eventually chooses to study with her good friend, Ayam (Pierre Andre). In the university, Ayam scared Sam with his thesis article which says that ‘Female 37:1 Male’, causing Sam to worry and began to seek ways to find a boyfriend soon before she becomes an ‘andartu’ (old virgin). Sam accidentally saw a guy who is idolized by many teenagers, Nazril (Farid Kamil) and decides to lure him. Unfortunately, Nazril isn’t interested in Sam at all and her friend, Ayam himself, did not support her efforts. However, that did not break Sam’s spirits. Will Sam, a girl who has a rough character, successfully win Nazril’s heart? Look out for the film 3, 2, 1 Cinta in cinema near you.