Alexander Lincoln does quite well here as "Mark", a man in a long-term relationship with his frequently absent partner "Richard" (Alex Hammond). He plays rugby for a gay team and after one night on the beer finds himself waking up (yep, of course he has managed to put his Calvin's back on in the middle of their night of passion!) next to "Warren" (Alexander King). The former has an open arrangement - just never the same person twice - but the latter man has secrets to keep and the two decide to leave it as a fun one night stand. Of course, it isn't that simple. Circumstances conspire and, well...