One year after a devastating flood kills five locals in a country town, a mysterious new plant is found growing where they died with the power to transform the residents’ lives.

Rejuvenated to her youth, Gwen’s desire to amend a deep regret threatens to pull her and Ray apart, while Sam’s affair with Tina continues as his criminal past returns to haunt him.

With Gwen’s plant destroyed and on the cusp of aging back, she and Sam race to find another plant, however will Gwen’s compulsion for a baby make her betray the man she loves?

Ray’s desperation to keep Gwen young and alive pushes him beyond his moral boundaries and pits him against a vengeful Farida, while Rhonda closes in on Sam and his secret.

Three months on, a new family arrive in Mullan with a startling secret and a hidden agenda that could alter the course of human existence.

Ray, Anne and John’s agendas collide as they face off over the miracle.