Pooh, a bear of very little brain, and all his friends in the Hundred Acre Wood sing their way through adventures that encompass honey, bees, bouncing, balloons, Eeyore's birthday, floods, and Pooh sticks.

Henry is a precocious young boy, conceived in a petri-dish, raised by his single mother, Patricia, and is smarter than all of his peers. However, the one question he can't answer is, who is his father? Henry's attempts at locating his father lead him to Dr. Slavkin O'Hara, a university professor who has decided to raise his daughter, Audrey, as a psychology experiment in a world free of gender bias. Patricia starts fearing that she's losing her son, Audrey wishes she didn't have a father, Dr. O'Hara has no idea how to keep his daughter happy, and Henry may just have found the family he was looking for.

The film, set in Mumbai, revolves around a mistaken delivery by the Dabbawalas (lunchbox service) of Mumbai, which leads to a relationship between Saajan, a lonely widower close to retirement, and Ila, an unhappy housewife, as they start exchanging notes through the daily lunchbox.