Vijay Bhaskar (Mammootty), a well-off builder who lived separated from his wife & who tried to keep his kids Sudhi & Anu away from her, gets into a predicament when a stranger, Hema (Priya Raman), forcibly dons the role of the kids' mother, while they were in Bangalore for a short stay. The kids who had always been on the search for their mom, assumes Hema to be her & doesn't let go, forcing Vijay to play along. Vijay enters into a pact with Hema to continue the act till their stay was over.

13 year old Vineetha and her father, Dr. Vinayachandran goes to visit her grandfather John Samuel in Ooty on the death anniversary of Veena's mother Neena who died in a tragic accident. The movie flashes back to when Vinay meets Neena at a Church Service and falls in love.

Kunjoonjamma Thomas is a widow living in the village all by herself. People always make fun of her because she is grumpy and depressed due to the deaths of her husband and her only child. Children irritate her by ringing her door bell and running away. One day, her granddaughter Girly, who she had never met, visits her. Initially, Kunjoonjamma does not like Girly, but they soon become close to each other.

Balachandran had resorted to his work after he is unable to cope up with the death of his wife, Bhama. During the process, he neglects his only son, Appu. When Appu returns home for his school vacation, Balachandran promises to take him on a lot of trips, but is unable to do any as he is caught up with work. Pappayude Swantham Appoos movie is all about the bonds between the father and his son.