Vastavam web: Shruti Haasan is going places. She is on a signing spree. Shruti has now become first South Indian female star to sign on by USA TV network for its TV series. She will be playing a key role in ‘Treadstone’. She will play an undercover agent posing as a waitress in Delhi. Priyanka Chopra earlier did a major role in US TV series ‘Quantico’. Now Shruti is testing her luck.