Harlow Spencer is not just Grayson's little sister. After years of dealing with her overprotective brother, Harlow is finally free to live the life she wants once he leaves for college. Or so she thinks. Enter Corey Michaels, her brother's best friend. She's afraid he's going to be Grayson 2.0, but the more time she spends with him, the more he surprises her. Corey isn't as overbearing as her brother and she decides to use that to her advantage by enlisting his help to find her a boyfriend. Harlow believes the perfect life she wants starts with having the perfect boyfriend, but maybe what she really needs is standing right in front of her.

In a world where people are followed by animals that reflect their personality, Taylor is devastated when she starts being followed by companions of the creepy crawly variety. As her passionate science teacher's annual companion showcase rapidly approaches, Taylor's mind is abuzz with anxiety about what her newfound companions mean about who she is.