Mitchell ends up being trapped by the police and help ends up coming from an unlikely and untrustworthy area. Annie looks for Lia after she returns to purgatory in her quest for answers. George has an important decision to make.
After a deadly virus breaks out on Forthaven, Tate and Stella are concerned that it's the host force answering their attempts at communication. Berger thinks that the ACs are to blame for the outbreak after revealing a devastating secret about Fleur and attempts to bringing down Tate's government and introduce a whole new order.
A horse crazy young boy comes to Heartland and quickly bonds with Amy, but his mother has a secret that could change everything for the Fleming family.
