After a year of self-experimentation, Dr. Alyssa Reece's unstable growth serum is beginning to take hold of her more than she would like. When her impulsive ex, the only other person who knows her work -makes his way into her home, old wounds and dangerous secrets collide. What starts as a tense confrontation erupts into a savage fight as they both transform. Taunted with her deepest fears- that she may become like him- Alyssa struggles to hold on to who she is. In the aftermath, she realizes that he's been watching her and her carefully hidden world is starting to crumble.