Rawkto Rawhoshyo-রক্ত রহস্য:2020:Swarnaja (Koel Mallick) is a hard-working do-gooder radio jockey with the rarest blood group on the earth, Rh null blood group. She has been introduced up by her grandmother. Her 4 12 months outdated son Pawrag is kidnapped by Shammo, an imposter.