How are Massage Heights clinics run? Shane Evans, COO of the company, goes undercover on CBS’ Undercover Boss, in an episode that airs Dec. 13 at 8 p.m., to find out.

Massage Heights is a membership-based massage franchise company with 100 locations.

During Evans’ journey, she went undercover in four Massage Heights locations in four different cities around the U.S., according to a press release. She performed four jobs, including director, massage therapist, skin therapist and lifestyle consultant.

“This experience was incredible, and I was humbled to work alongside some of our team members,” said Evans.

Massage Heights plans to open 500 U.S. locations within the next five years. The company was ranked in Entrepreneur Magazine’s Franchise 500 list for 2012 and in Franchise Times’ Next 300 list for 2013.

Read the press release here.