E.J. tells Kate that even he can't keep Sami away from Lucas. Their own flirting session is interrupted by Lucas return with Will, who decided to keep living with them rather than moving back to his mother's. Shawn is offered to move in with Willow, he feels no longer welcome at Max's. Dr. Myers is delighted to be informed of an experimental antidote for the bio-toxin, which Frankie goes try to obtain in Maryland, but warns it's also a lethal risk.