Poomukhappadiyil Ninneyum Kathu

Dr. Isaac Peter (Mammootty) leads an unhappy life with a suspicious & nagging wife Clara (Srividya) & a helpless daughter Sicily. A new family moves in as their neighbors which has a similarly suspicious husband Vasu Pillai (Thilakan), a meek & suffering wife Ammu (Sulakshana) & their son Sanju (Rahman). Clara starts suspecting Isaac of having an affair with Ammu, & Vasu Pillai suspects the same. In the midst of all this, their children fall in love with each other, complicating matters further. (Summary by iceblox)