Yes Boss film is about Rahul (Shahrukh Khan), a middle class man, revelling with a lucrative job and extra earnings made by helping his boss deal with his multi extra marital affairs. His boss, Siddharth (Aditya Pancholi) is a lustful person who has deviously trapped a rich woman and married her to own her huge property.
Seema (Juhi Chawla), on the other side is an ambitious girl and an aspirant model. Rahul and Seema meet but Siddharth too falls for her and requests Rahul to help him trap her. A helpless Rahul does so. But deep somewhere, Rahul has a soft corner for Seema. Seema is impressed by Siddharth and is forced by him to act as Rahul's wife to fool Siddharth's wife. But Seema slowly understands Rahul's purity of heart and begins liking him when they go for an abroad shooting schedule.
But they face a problem. Rahul's mother (Reema Lagoo) is a heart patient and is sensitive to any shocking news. And Gulshan (Gulshan Grover) uses Rahul and tells his mother that Rahul is married. To keep his mother happy, Rahul and Seema are forced to carry the drama and they fall in love during the process.
When Siddharth gets to know the reality, he fires Rahul, but true love triumphs as Seema decides to let a luxurious life go for true love.