'Please help me ... my wife is trying to kill me.'

When police officers Meera Dixit and Aditya Sachdev investigate a panicked midnight phone call, they are drawn into the unhappy story of a couple-a woman slowly losing her grip on sanity and her husband living in constant fear of death. As they delve deeper, the officers realize that this case is more knotted than anything they've dealt with before.

Is Tanvi Acharya really sick? What caused Rohit's insomnia? Do deeper secrets lie below the surface?

As they try to make sense of the sinister goings-on in the house, Dixit and Sachdev hurtle towards a shocking revelation that they are not prepared for.