01 Jan 1970 • Episode 5 : Episode 05 - The Mystery of Poison

Sushma Uppal, a noted social activist, is found dead in a hotel room. Raghav and his team investigate and find out the modus operandi. The main suspects are Sushma’s husband Parakh Uppal, who is a diplomat, the pharmaceutical company owner Kailash Jain, a reporter Saloni Rai and an old friend Gaurav Dhimani. Investigation reveals that Gaurav has killed Sushma by implanting poisonous powder in her hair drier and faked her suicide note to take revenge because she had rejected her love proposal.