Khalid, a barbarian warrior from beyond the Forbidden Mountains, seeks vengeance for the annihilation of his tribe. Driven by a burning rage, he enters the empire, a world foreign to him, where humans live behind fences and value gold above all else. But fate has other plans for Khalid.

In a universe where time-travel violations have thrown reality into chaos, Pei Yuan, a stoic and disciplined team leader, is tasked with capturing rogue time travelers. When the organization assigns him a partner—Jian Yu, a mysterious cat-person who seems more adept at charming others than fighting—Pei Yuan is less than pleased. “A cat-person who only…