During the era of alien beasts, maintenance engineer Lin Ye gave up the invitation from the headquarters and guarded the maintenance house on the border alone, accompanied by the tenaciously growing sunflower in front of the house.
An old gear accidentally picked up quietly reveals a hidden secret: the remains of the mecha that are being repaired every day contain the hope of restarting civilization; and the headquarters that seems to be leading the resistance actually lurks an undisclosed conspiracy behind it.
Only now did Lin Ye understand that his unwillingness to give up and persevere for many years was never stubbornness, but a key opportunity to fight against the conspiracy and regain hope.