Koodum Thedi is a 1985 Malayalam-language romantic drama film produced by Siyad Koker under the banner of Kokers Films, directed by Paul Babu and written by S. N. Swamy. It stars Mohanlal and Radhika in lead roles, along with Rahman, Nadia Moidu, M. G. Soman, Thilakan, Sankaradi in supporting roles. The film features original songs composed by Jerry Amaldev, with lyrics written by M. D. Rajendran. The cinematography was done by P. C. Sreeram.

Plot

Peter (Mohanlal) is a fun loving person and his younger brother (Rahman) is college going youth. Things go head over heels for Peter as he falls in love with Devi (Radhika), a person who he is related to. But her brother (Soman) plans for her to marry Jayakumar (Sreenath), who is a friend of Peter. Devi marries Jayakumar. One day, Jayakumar dies in an accident, but Devi plans to live her life as Jayakumar's widow without knowing Peter's love for her. Rest of the story, is how Peter tells Devi about his love and whether or not they marry.