Riko and Kaga, two of Yui's assistants who have come down with Damon-Hall symptoms, attack the facility. Both of them are injected with the vaccine created by Beast. Emma spies an unfamiliar man when she is in her diamond-like state. Emma is dubious about Jun, wondering if he is the man she saw. Meanwhile, Professor X is flying in the Blackbird to visit the X-Men, but never arrives.