Kutrame Thandanai, director M Manikandan’s follow-up to Kaaka Muttai, is a well-made, subtle thriller that also functions as an understated exploration of morality. The movie opens with similarities to Alfred Hitchcock's Rear Window. We meet Ravi (Vitharth), who works collecting credit card debts. He lives in a modest apartment overlooking his neighbors’ homes. Swetha (Aishwarya Rajesh), an attractive woman who recei…