Aadhar is a story revolving around Janaki Deshmukh, a young honest and responsible girl who is doing job to support her family. She lives with her father, mother, two brothers and a sister. One of her brother, Bandu is mentally challenged. As time passes, her college going sister falls in love with Narendra and Mangesh marries Shalaka. But after that Deshmukh family faces many issues due to changed behavior of Shalaka and Mangesh. Soon Mangesh leaves home with Shalaka, Janaki's father passes away, and she is left with her mother and Bandu. Her Boss loves her simplicity and dedication and wants to marry her. Akshay Kumar Plays a friend role in movie as a guest appearance and try to convince Janaki Deshmukh to marry his friend who is in love with her. will he able to convince janaki to marry her boss.