(WBIR) Sevier County deputies busted a Seymour spa Monday for prostitution.

Deputies raided the Royal Spa in Seymour where they arrested three women and Ricky Willcox, 57, of Clarksville.

An undercover operation revealed that the women were charging customers for sex, according to the sheriff's office. They also didn't have valid massage therapist licenses.

The three women are facing promoting prostitution charges: Yuan Hong Hua, 47, Cui Ying, 40, and Bai Jin Shum, 54.

Willcox has been charged with patronizing prostitution.

Investigators are continuing to look into the incident.