Kuch Toh Hai - Naagin Ek Naye Rang Mein is an Indian supernatural, fantasy, thriller, drama television series produced by Balaji Telefilms. It is a spin-off of Naagin 5[1] . It stars Harsh Rajput and Krishna Mukherjee

Lew or Lawita a famous model became scandalous when news broke out that she was heartbroken from her boyfriend and tried to commit suicide. She survived that attempt but ended up having amnesia of the man she loved, like a part of her life was missing. This causes her to go and try to regain those memories back. She decides to go to Chiang Khan, a small town in northern Thailand where her and Traipob met and worked together. It was a quiet place where Lew was able to escape reporters bombarding her about her suicide attempt. That quietness turned into loneliness for her. She gets nightmares during the night and she feels deep down inside, danger is after her.

The bridegroom who concealed his identity and the fake bride who replaced her elder sister. After a variety of experiences on the emotional road of marriage first and then love, the two got caught in the emotional game of cat and mouse. Will they choose to stay together for a lifetime?

Tan Jing is a single mother whose son has natural heart disease. In order to save up for her son's surgery, she leads a thrifty life. However, she has no complaints and lives life positively, raising her son Sun Ping to be obedient and sensible.

Nie Yu Sheng is a heart surgeon who is working on funding a surgery project that helps children with heart disease. He picks Sun Ping as his first patient. During the treatment, he finds out that Sun Ping's mother is Tan Jing, his lover seven years ago