A mysterious illness takes hold of Piper; Jo and Benny investigate a powerful tech mogul, Richard Kindred; Jo considers accepting help from an unknown source; Alex works to decipher a radio frequency code from Piper's plane crash.

Cast: Ashley Aufderheide, Robert Bailey Jr., Clancy Brown, Donald Faison, Zabryna Guevara, Terry O'Quinn, Cathy Salvodon, Alexa Swinton, Allison Tolman, Owain Yeoman