Known across military archives under the legendary codename Apex, Kim once stood as humanity's premier sniper, fighting alongside giant bio-titans to shield metropolitan centers from apocalyptic beasts. Following the devastating loss of his wife during a catastrophic siege, Kim renounced military violence, burying his weapons to work as a humble school custodian dedicated exclusively to raising his adolescent daughter.
That hard-won domestic tranquility explodes when a swarm of mutated behemoths breaches the city's coastal defense grid, laying siege directly to his daughter's academy. With federal defenses collapsing and students trapped beneath falling masonry, Kim unearths his concealed heavy railgun. Unleashing legendary marksmanship, the veteran hero mounts a ferocious rescue to incinerate the monsters threatening his child.
