Teenager Lanie Bouchard, finds herself exhibiting disconcerting symptoms after she secretly gives birth to her daughter, Laura. Her adoptive parents planned to keep the pregnancy a secret and raise Laura as Lanie’s sister, but when Lanie sets eyes on her daughter and falls in love, she finds her parents' rules of separation too drastic to abide and decides she’ll do whatever it takes to be near her...

After Thurston Polk threatens the lone witness of his crime into silence, he and his friends find themselves stalked by a less-than-friendly forest spirit intent on vengeance...

In an act of desperation to protect against losing the one parent she has left, Evie calls upon the Birch once more.

After Ryan’s brutal assault the night before, Thurston and Wes pay their friend a visit in the hospital, only to be warned in veiled terms that Evie is coming to hurt them.

Forced apart from her daughter and thrown back into teenage 'normalcy' at high school, Lanie finds her maternal instincts coming out in bizarre ways. With the situation at home growing increasingly strained, she turns to old sources for strength and purpose...

After Thad’s gruesome death, Lanie finds the house on lockdown as her parents' rules grow increasingly harsh. Dying to connect with her daughter, she takes drastic measures to run away and start over, but her sanctuary is short-lived.

Word has spread of Evie’s potential connection to the deaths of Ryan and Wes, making Evie even more of a social pariah. Returning home to learn that her father has been assaulted by men working for the Polks, Evie decides to pay Thurston a retaliatory visit at his uncle’s shop.

After another disturbing loss, Thurston tries to get the hell out of dodge earlier than planned with Gavin. However, his worst fears are soon realized when his brother becomes the new target of the Birch.

Lanie wakes to find herself locked away in a mysterious bunker under the watchful eye of Dr. Sampson. But with Lanie growing more aware of her abilities, Dr. Sampson doesn't realize the power she's up against...

Waking with regrets, Evie decides to put an end to the bloodshed, but The Birch has other plans. After all, a mother’s love never dies.

After pleading with Evie to spare Gavin’s life, Thurston is caught by Sebastian and his men. When Thurston comes clean to them about Evie's blood-quest, Sebastian proposes a simple solution to their problems - kill the Graysons.

Sickened and exhausted by the bloodshed, can Evie and Thurston work together to end their feud by targeting the true source of both their problems?

Lanie returns home to rescue Laura and enact vicious vengeance on her parents, who she learns have morbid plans in store for them both.