Maya (Kajol) is the perfect mother. Her life revolves around her three children, Aleya (Aanchal Munjal), Ankush (Nominath Ginsburg), and Anjali (Diya Sonecha), who think nothing less than the world of her. Despite being divorced from her husband, Aman (Arjun Rampal), Maya has ensured that everything runs smoothly in her house, under her watch, and that they continue to remain a happy family unit. However, when Aman introduces his girlfriend, Shreya (Kareena Kapoor) a career oriented woman, who has a lot to learn about children, to the family, the situation immediately takes an unexpected turn. Moreover, an incident changes their lives drastically, bringing the two women under the same roof.