Set in the backdrop of God's own country, Kerala, Acha Din is the story of a family from Jharkhand who is now settled in Ernakulam, the buzzing business hub of Kerala.
Raghuraman, the owner of a tea plantation in Ooty, takes a walk to the park where he meets Sudukhar the father of a young girl who is playing with her on the playground. The two men begin to talk, and soon Raghuraman is recounting the entire history of his loving relationship with his daughter Abhi, including her first day at school, her growth to independence, and her eventual marriage to Joginder Singh, a gem of a man who turns out to have many surprising qualities. At each stage, this doting father has had difficulty separating from his loving daughter, and accepting her marriage was the hardest. The story as a whole is a gentle and loving comedy with some depth in the narrative.
Somiya Mathur lives a middle-class lifestyle with her dad and mom in Mumbai. At the age of five her parents go through a bitter divorce and she moves out to live with her mom. After she matures, her mom passes away, and she swears never to see her dad again. She rents a room with a middle-aged couple, who she calls 'Aai' and 'Baba', and is friendly with Niti, who runs a restaurant. Somiya decides to enter in a beauty contest, competes, and is crowned the city's beauty queen. This gets her unwanted attention from a strange male, and a wealthy bachelor, Karan Malhotra, comes to her rescue. Both fall in love with each other and get married. They live an idyllic, wealthy, and harmonious lifestyle, and a few years later they become parents of a girl, Sarah. When Sarah is of school-going age, Somiya gets a phone call from a woman named Ruby, passionately asking for Karan's company.
Inbasekar, a hit man shoots Michael, a youth leader, off his motorbike on Napier bridge in Chennai. As Michael flies off his bike and falls into the river, bystanding student Arjun is the sole witness. The film then flashbacks into each of their lives, to bring things up to the present day shooting. Inba, the small-time thug dreams of making it big while his perky wife Sasi tries relentlessly to get him to go straight. Michael balances his idealistic posturing with his romance with a gutsy and occasionally unscrupulous neighbor Gitanjali. Siddharth must decide whether going to the US to study is more important than chasing after a girl he falls in love with in a bar Mira who incidentally happens to be engaged to be married.
Aatma is the journey of a single mother Maya Verma who finally starts her life afresh with her six year old daughter Nia but as Maya starts to pick up the pieces of her life, strange things starts happening around her. Maya's six year old daughter Nia starts to speak to her dead father. Maya initially feels that she has created an imaginary father to fill the gap in her life but slowly Maya's life starts to fall apart and the reality gets darker till she starts to doubt her own sanity. Aatma is a psychological thriller set in a supernatural framework. It is about the inheritance of loss, a tableau of conflicting emotions played against a diabolic backdrop.