The door easily pulls open. Before you is a reversed, L-shaped courtyard featuring a trimmed lawn and nicely manicured shrubbery. The yard is decorated with white marble benches and stone fountains, each in the form of a smiling nymph tipping a jug that spills water into a circular stone basin.

The sounds of the street filter in, mixing with the sounds of the babbling water from the fountains. 

You face a wall of what must be the bathhouse proper. To the left, the courtyard immediately terminates at a fountain. To the right, the courtyard extends up (the long stem of the L-shape). The entrance to the building is likely along there. At the corner immediately to your right, there is a young woman seated on a bench sketching with some charcoals. She does not seem to take notice of your arrival.

Oswin - earlier your detect magic spell did get a weak ping from this courtyard, more towards the north end of the courtyard. 

Tzo observes the area, is there any like greeting desk or anything of that type?

Quote from JcAndD >>

Tzo observes the area, is there any like greeting desk or anything of that type?

 No greeting area to note. Just an open courtyard with benches, fountains, and topiaries. Assuming you all step in, you will note that on the long side of the courtyard (the right side with the street to your back), which finishes at yet another fountain, there is a door into the building proper. 

Tzo will continue into the building

Keth follows Tzo in and loudly goes, "Tzo? Where'd you go?"

Khan walks in humming to herself.

Oswin will walk in, belatedly (and awkwardly) adjusting his lapel so that his pin is turned inwards & hidden. 

He wanders over to the north end of the courtyard, and looks for anything obviously magical which could have given off that detect magic ping. 

Tzo-Tzo opens the doors to the bathhouse proper, which is almost immediately followed by Keth's call. While Dar'kahn follows behind Keth, Oswin pauses at the north end of the courtyard to seek out what he had felt earlier through his detect magic spell.

With the doors open, the bathhouse is revealed to the would-be 'law' persons.  The walls of this twenty-foot-high pillared chamber are adorned with frescoes of bathing royalty. Natural light streams through stained-glass windows, creating colorful patterns on the tiles of polished blue marble that cover the floor. Three shallow, sunken pools contain scintillating perfume-scented water. White marble benches bearing stacks of dry towels are situated near the pools, each of which comes equipped with a pair of brass faucets. There are a handful of patrons using the baths. Although initially startled by Keth's yell and the shadow he creates at the doorway, they quickly fall back into the quiet relaxation they were experiencing just before the blaring burst.  The northwest and southwest corner of the bathhouse each have a closed door that seem to each lead to a small room - based on the visible architecture.

// Oswin - please roll a perception (WIS) check and an investigation (INT) check; both with advantage as your spell from earlier alerted you to the presence of 'something' at that end of the courtyard.

Perception: 20

Investigation: 16

As Oswin searches the north end of the courtyard, from the empty space above the fountain's statue, he hears an intake of breath, the shuffling of clawed feet and what sounds like the flapping of larger than normal batwings. Oswin then feels the beginnings of a gentle breeze as if he were being fanned... or as if something were starting to fly away. 

Oswin will keep his cool and walk over to Tzo-Tzo. Under his breath, he will say, "There's something invisible flying around. Sounded like bat wings."

As Oswin walks towards Tzo-Tzo, he can hear the sound of wings slowly beating further away into the afternoon sky. 

Quote from Awaypturwpn >>

Oswin will keep his cool and walk over to Tzo-Tzo. Under his breath, he will say, "There's something invisible flying around. Sounded like bat wings."

 She rubs her forehead, “Great. Pretend you haven’t noticed it. This might be related to that punk.”

The door on the southern end of the room opens up. Stepping out of the room is androgynous human wearing loose fitting and flowing linen clothes. They are wearing several bead necklaces and bracelets of various colors. Seeing the open door they approach Tzo-Tzo and says in a soft, pleasant voice, "Welcome..." then noticing the rest of the party, they raise an eyebrow and continues, "... all of you, to the Restful Nymph Bathhouse."

"The baths are open - first come, first serve - two hot and one cold. We also provide various therapeutic services: hot stone therapy, deep tissue massage, reiki chi re-alignment, among others. My associate Qurmilah or I can help you scheduling these services."

"In the meantime, we ask that you leave your gear in any of the secure lockers along the walls of the room. We have towels, robes, and other clothing available for your use while here. There is some cucumber water and fresh fruit and vegetables, along the north wall."

"Use of the baths alone is five silvers per person. Therapeutic services start at one gold piece."

They look around at the party, opens their arms wide and says, "Welcome." 

Keth barks out a laugh, "You want my axe? Good luck with that."

The patrons, nearly nude in the baths, all shift uncomfortably. The attendant speaking to the party, noticing the shift in their clients, directly addresses Keth in a defiant tone, "I care not for your axe, but if you want to use this bathhouse all your belongings must go into a locker - and if you don't like our policy then you are free to leave!"

// Insight checks for anyone who wants to do one. 

Insight: 2

"What about the human sacrifice area, do you know where that is? and do you do reservations or catering?" Khan asks politely gently swishing her skirts

Quote from Hardcopi >>

Insight: 10

  Keth does not gleam any subtext from the interaction.

Quote from Gimpster >>

"What about the human sacrifice area, do you know where that is? and do you do reservations or catering?" Khan asks politely gently swishing her skirts

The attendant turns their attention to Khan, saying, "Human Sacrifice? This is a bath house! What do you all think we do here? Is that a joke? Young lady, you have a warped sense of humor..."

"Aww thanks! I'm a detective on the case! see, my father disappeared three days ago and i've been looking for him. the last he was seen he was headed for a bath"

deception? 14