Thanthram

After a rich business man James (Ratheesh) dies in mysterious circumstances, his relatives tries to prevent James's wife Susanna (Urvashi), & their son access to James's wealth by claiming that Susanna isn't legally married to James. Susanna enlists the help of George Korah Vettickal (Mammootty), an out-of-work lawyer to fight her case. Vettickal faces big troubles and threats from James's relatives as soon as he takes on the case, and initially falters, but later decides to fight back. (Summary by iceblox)