Anamika is an amnesiac woman who has no memory of her past, which she lost when she met an accident three years back. Now she has moved on in her life with Dr Prashant who saved her in that accident. Her past comes back to her when armed goons attack Prashant's place, Prashant dies in this attack but to her surprise, Anamika takes each shooter down. Filled with rage she sets out to take revenge. After knowing some Luthar was behind it she goes to his hideout abducts Ansari. In the end, this whole drug cartel which has Luthar, Ansari, Walia, Sameer Oberoi and minister Raghunath Chauhan are interested in Anamika on other hand, there is a government secret agency with Ravi Shrivastava as the head is interested in Anamika who refer to her as agent M and has ordered special agent rhea to keep a track on her. With Anamika gaining her memory and her lover of past Rohan coming back to her and government agency and drug cartel after her life...What will she do..all this is surely starting of something big.

Welcome Home is being touted as a psychological drama with lots of thrills. The movie follows a pregnant woman living in a house. She is visited by a few other ladies presumably some officials and ask her about her lifestyle.