The team gets to know that the only way to find the killer is to find the secret behind the medicine. They figure out that the medicine is used for a very rare disease where the copper content in the body becomes very high. CID gets to the prime distributors location to keep a check on its source. Meanwhile, Dr. Salunke returns and challenges ACP's theory and analysis. Will the team be able to nab the killer? Watch now only on Sony LIV.