Actress Nayanthara has recently joined the sets of Irumugan in Malaysia. She will be romancing Chiyaan Vikram in this movie, and as per the latest reports, she will be seen as a undercover police agent.This is the first time Nayanthara is pairing Vikram, and she is expected to feature in some action sequences,as a cop.Irumugan directed by Anand Shankar of Arima Nambi fame, will also have Nithya Menen as the lead heroine.