Kaylee smiled brightly and hummed softly to herself as she made her way through the cargo bay, heading to the infirmary to meet Simon. For the first time since she'd boarded the Firefly class transport ship as a crew member, they had touched down on a core planet and flown under the radar to a cute little seaside town where they could stay a while and relax. She felt pretty in her light pink, mid-thigh, strapless summer dress and the pink satin kitten heels she'd borrowed from Inara to match.

Rounding a corner, Kaylee skipped down the stairs into the common room and entered the infirmary, frowning when she realized Simon wasn’t there. Shrugging, she figured he was probably still getting ready for their outing and took a few more steps into the room.

Glancing around, she slowly stepped along, running her hand over the countertop and pondering the various sundries Simon had laid out. She didn't know what anything was, really, at least until she came upon something she recognized. Reaching out, Kaylee picked up Simon's stethoscope, twisting the tubing in her hands absentmindedly as she considered what she was holding. She'd watched Simon use it before and knew what it was for, but she'd never had the chance to try it out despite her nagging natural curiosity.

With the intention of trying the stethoscope out in mind, Kaylee threw a quick, cursory glance over her shoulder to make sure she wasn't being watched. She knew that the others had all left the ship already and that River had promised Mal she'd stay in the cockpit and watch over Serenity, but she couldn't help double checking anyway.

Once she was sure that no one was watching, Kaylee slipped the stethoscope on, adjusting it until the ear pieces seemed to fit most comfortably. Holding the chest piece of the stethoscope in one hand, she tapped gently against the diaphragm, surprised at just how loudly and clearly the instrument transmitted the sound.

Taking a deep breath and feeling a thrill go through her, Kaylee brought the diaphragm of t