Desperate to defuse a nuclear standoff, Liam receives help from an unlikely source. Also, with Darius missing, Harris and Grace take matters into their own hands.

Anjali Jay, Dan Quinn, Darien Martin, Dennis Boutsikaris, Hamza Fouad, Jonathan Silverman, Kate Gajdosik, Luke Arnold, Madison Smith, Pedro Cervantes, Rob McEachern, Samantha Ferris, Sandy Robson, Taylor Cole, Tom Butler, Veena Sood