Season 1 of Hello! premiered on September 25, 2017.

Life changes for Nandita when she receives a series of MMS with romantic messages that expose her husband Ananya's extra-marital affair with Nina. As the mystery thickens, Nandita realises that the MMS can actually be aimed at her.

Season 2 of Hello! premiered on December 29, 2018.

The festival of Durga Puja becomes memorable for Nandita when suddenly she receives an MMS from an unknown number that turns her life upside down.

Season 3 of Hello! premiered on January 22, 2021.

In Nina and Nandita's love story, Ananyo is not the only obstacle. A mysterious man from the past has come up to torment them.