“ Daedalus Station is a 550-meter long space hulk drifting in trans-Uranian space, reduced to a derelict by the catastrophic failure of its dimensional reactor. The failure of the short-lived Paradigm VI reactor created a stable dimensional bore, a three-meter wide disc in the engineering section.
What is on the other side of the rift?
Why is the rift anchored to the ship instead of a point in space?”
“ The player characters, experienced and somewhat well known, hear rumors and travelers' tales about a distant area being overrun by dragons (or other terrifying monstrosities). The locals have sent them a message, begging for heroic aid.
When they investigate, they discover that nothing of the sort is going on. It turns out that a group of thieves wanted them out of the way so that they could rob them (or someone who would normally receive their protection).”