In a world where "Knockers" possess supernatural abilities, Agent Xian Yu of the ESPer crime-fighting unit upholds moral integrity, while Kirscher Schneider enforces justice in his own peculiar manner.
Their polarizing personalities cause friction upon meeting, but the emergence of the Monarch mafia group run by Knockers compels them to unite against a common foe.
Xian Yu, committed to righteousness, unexpectedly finds himself paired with the least desirable partner. Why does their dynamic differ from the rest of the team? Can a special agent and a criminal forced to work together become more than just colleagues?
