DeSu7 is a Bengali action-romantic drama starring Dev and Subhashree Ganguly, directed by Dev. The film explores love, separation, destiny, and redemption against a backdrop of crime, politics, and cross-border threats.

The story follows two people who reunite after years of separation and unresolved differences. As their old love rekindles, they become caught up in a dangerous situation involving crime and political conflict. They must confront their painful past, overcome new challenges, and decide whether their love can survive the circumstances threatening to tear them apart again.