Two Agents walk into a dark alley- - and find their soulmate. There's the Overcity and the Undercity, two places that separated the rich from the poor. In a world of soulmates, you would think mere problems like that didn't exist, but, you'd be wrong. Another issue is the amount. One person to fill another's heart, so, why do you have two soulmates? And why are they from a different, richer world than you? Alfred and Arthur have been together for years, working in a suspicious agency that has kept their lives mainly to themselves. It worked out perfectly, even more so when their most frequent job as lead them to you, their missing piece. So why are you being so difficult?