Balan K. Nair (Dulquer Salmaan), who calls himself BKN, is a reporter in a famous daily based in Bangalore. After insulting his ex-girlfriend on Facebook in a drunken state, Balan feels like his life is not in sync. He is the “loser” of his family, since his brother Rocky K. Nair; (also played by Dulquer Salmaan) is a successful doctor. He left his parents’ house to become a columnist. He lives with his close aid Ummar (Sekhar Menon), who is a foodie and an avid computer gamer. One day, Balan meets Sheela (Nithya Menen) when they both get into a taxi at the same time. Balan sees her and instantly falls in love. As the taxi drives away, Balan sees Sheela’s bag lying on the floor. Inside the bag, there is an old camera with photos of certain places and certain people in Bangalore. Balan and Ummer use the pictures as clues to try to find Sheela.100 Days Of Love 2015.
Just as Balan begins to lose hope, he meets Sheela at a hospital by chance, where Sheela reveals that she already knows Balan. Apparently, Balan was her bully back when they were in school, and she was also the reason that the whole school ended up hating him and calling him a Loser. He immediately tries to avoid Sheela in the future. However, she keeps meeting him and poses as his girlfriend in his ex-girlfriend’s marriage. Due to this, he is avoided from an embarrassing situation and doesn’t lose face in front of his elder brother and his ex-girlfriend. He realizes that she is good-natured and they become very good friends.
After a series of meetings & sights, at one of the meeting Balan invites Sheela to a candle-light dinner, where all the comical & embarrassing situations happen which in turn closens their bondage. Balan cooks food & hosts a date-like dinner party to impress Sheela. They start to enjoy the meal. Eventually they both begin to talk & Balan starts enquiring Sheela about her future endeavours & there he gets to know some interesting things about her, that she is enjoying life after her studies & also learns about her boyfriend Rahul & her thoughts about marriage & love.