'Kachche Dhaage' is a story of two step-brothers who are falsely implicated for anti-national activities and even a murder. Initially they are very different to each other and do not like each other as they are step-brothers, they develop a strong bond while on the run. In the end, they expose those involved in the anti-national activities and prove their innocence. Ajay Devgan and Saif Ali Khan play the step-brothers and Manisha Koirala and Namrata Shirodkar play their love respectively.