The series reveals significant twists regarding the nature of the Connect species and the overarching conspiracy:
- The Nature of Connect: Dong-soo is not a supernatural curse or magical anomaly, but part of a newly emerging biological humanoid species whose cellular composition immediately synthesizes fibrous tentacles to repair catastrophic trauma and reattach severed organs.
- The Killer's Identity: Oh Jin-seop is a high-functioning corporate manager who maintains a pristine facade while kidnapping victims, pumping their circulatory systems with resin, and posing them as statues in prominent public plazas across Seoul.
- The Telepathic Trigger: Dong-soo's sensory link is activated whenever his adrenaline spikes or when his personal composition song is played or sung nearby, creating a direct neural frequency bridge between his brain and Jin-seop's eye socket.
- I-rang's True Nature: Lee I-rang is revealed not to be a harmless fiction writer, but a fully aware Connect operative who monitors society for threats against her kind and understands the pharmaceutical corporate conspiracy hunting them.
- The Climax & Reconnection: Dong-soo corners Jin-seop in his artistic studio. During their brutal physical clash, Dong-soo overpowers Jin-seop, extracting his eye back into his own empty socket as the scarlet tendrils weave it seamlessly back into his optic nerve.
- The Final Twist / Cliffhanger: Just as Dong-soo and I-rang attempt to escape the studio rooftop following Jin-seop's defeat, a fleet of heavily armed tactical black helicopters representing a shadowy pharmaceutical and military conglomerate surrounds them with searchlights, revealing that Connects are targeted assets in an impending corporate war.