The narrative of Fallen Angels culminates in the tragic intersection of its characters' desires and fatalistic paths. Wong Chi-Ming (the Hitman) ultimately decides to quit the assassination business to regain his agency. He meets his Agent face-to-face in a cafe, leaving her a coin for the jukebox to play the song 'Forget Him,' definitively signaling the end of their partnership and rejecting any potential romance.
Devastated and vindictive over this unspoken rejection, the Agent arranges one final, impossibly dangerous job for him. Wong Chi-Ming takes the job, fully aware it might be a setup. In a hyper-stylized, slow-motion shootout, he is gunned down. His death is an existential paradox: he finally made a choice for himself, but that choice led directly to his demise.
Meanwhile, He Zhiwu (the mute ex-con) runs into Charlie months after her heartbreak. She is now dressed as a normal corporate professional and completely ignores him, pretending not to know him or remember their midnight adventures. Heartbroken but resilient, He Zhiwu accepts that their connection has expired.
In the final scene, the grieving Agent seeks refuge in the late-night diner where He Zhiwu now works. He offers her a ride home on his motorcycle. The film ends on a strangely uplifting, bittersweet note: as they ride through the cross-harbor tunnel, the Agent leans her head on He Zhiwu's back. She acknowledges that the ride will end soon, but for this brief, fleeting moment, she feels genuine warmth. The film's ultimate twist is its thematic resolution: permanence is impossible, but transient moments of connection are enough to survive the night.