Disclaimer: I do not own Firefly and I do not make any money from these writings. PLEASE REVIEW, this is my first Firefly fic so I'd love your thoughts. Lingo is probably not 100% right.

Serenity was hot as Hades as Mal stomped towards the engine room. Everyone else had deserted them to go exploring so it was just him and Kaylee on Serenity and the heat was not doing his mood any good. He was hot, sweaty and cranky. His feet itched in his boots and his t-shirt was plastered to his chest. As the sun rose higher so did the temperature inside Serenity.

“Kaylee,” Mal hollered as he stomped into the engine room “I'd be really appreciative if you could…” Mal stopped dead and could not utter another word. His normally happy go lucky mechanic was swearing very creatively in Chinese, which was not that unusual, but the heat had obviously affected her too as Mal had never seen her so…exposed.

She was wearing a tattered man’s singlet that looked suspiciously like one of Mal’s and satin boxers. Her long brown legs were bare and she had on purple socks with her boots. Her hair was up in an untidy, what did Inara call it? A topknot, but bits had escaped and were plastered to her neck with sweat. She had a smudge of something across her left cheek and she was the sexiest woman Mal had seen in a long time.

"Hey Capt’n.” Kaylee greeted him warmly as she always did, “Sorry but Boris is bein' difficult” and she turned and glared at the old air conditioning unit.

“Boris?” Mal spluttered trying to hide his amusement. Kaylee just nodded

“Yep he ain’t playin’ nice either.” she wiped her hands on some rag and pointed to an area buried under the machine. “In there and I can’t reach.” she turned and bent down to stare at the underside of the machine and gave Mal a tempting view of those long brown legs as her shorts rode up. He was trying to think of anything but his near naked mechanic and how very much he would like to be naked with her.

“Umm…can I help then?” he asked, expecting her to laugh. Kaylee kept hi