It all started when a new employee (Helle) started working for the small biotech company that I work for. A few weeks later of flirting with her Helle suggested that we fuck. When I rocked up at her place I was shocked to find out that her husband (Claus) wanted to watch us fuck (I didn't know she was married). After dinner I winked at Helle and she winked back and we proceeded to the bedroom with Claus closely following us. All three of us stripped off and Helle started to suck my very hard cock. Claus was wanking as Helle was sucking. Turned on by Claus wanking himself I grab his huge dick and started to wank him. Claus then positioned himself so he could stroke Helle's bald pussy. I then asked Claus to fuck me up the ass while I did his wife doggy style. Claus and I were thrusting in unison. Helle suggested then wanted to suck he husband's cock while I fucked him up the ass. We did so until I told them I was ready to cum. I quickly got my cock out of his ass and plunged it into Helle. I took Claus in my mouth and I pumped Helle a little more until I exploded with a huge load into her and Helle screamed and made Claus cum in my mouth. I swallowed most of his load and then turned Helle around fucked her in the missionary position and shared Claus's cum with her. I continued to fuck Helle for another hour in all sorts of positions while Claus taped it. Helle and I then turned on to Claus again and sucked his dick giving his huge shaft a good sucking.