Never odd or even (джен)

Time. Space. Reality. It’s more than a linear path. When faced with the impossible, magic does the unthinkable. Now bearing the words of their worst enemies and greatest allies as the markers in pursuit of three different ends, the question is whether they can accomplish what they came back for without jeopardizing each other?
Or: A group of time travelers unintentionally ending up in the same past to fix three separate future problems is a recipe for disaster.