April 18 is a 1984 Malayalam-language film written and directed by Balachandra Menon, who also features in the lead role.
It stars Shobana, Adoor Bhasi, and Bharat Gopy in other pivotal roles.
Ravi purchases a saree on behalf of his friend who is in jail and hides this from Sobhana on the advice of Gopi Pillai.
However, things take a turn when Ravi arrests Jimmy, son of Marcose, against his father-in-law's (Narayana Pillai) wishes.
An aggrieved Narayana Pillai files a divorce suit despite objections from Sobhana and appoints Thomachan as his legal counsel.