Marriage is like rock salt, solid yet brittle, salty yet tangy... it has to be nurtured and kept alive. A third person's entry can make the marriage more exciting, as a little bit of uncertainty adds a twinge to otherwise bland but wholesome food.... Bitnoon is the story of Rahul and Mou a happily married couple whose 6 year old son is loathe to leave his parents alone even for a day'cause he feels they cannot be trusted alone. As a result Rahul and Mou hardly have any time of their own. There is no privacy in their relationship. Rahul tries to meet his wife at odd times to avoid the son only to be thwarted by the little fellow!!! At such a juncture Rusha enters his life with disastrous yet hilarious consequences. What happens next is a roller coaster ride for Rahul and the audience.