Vaadu Veedu story is about two step brothers Walter (Vishal) and Dhandalsamy (Arya) born to two different mothers. Both of them are thieves but Walter has a special affinity for acting. Both brothers keep fighting tooth and nail for every small thing.However, they have immense respect for one highness (G M Kumar). On the other hand, Walter falls in love with constable Baby (Janani) while Dhandalasamy falls in love with Nagu (Madhu Shalini). While life looks smooth for them, an incident happens bringing a grave impact to their lives.