Avoiding relationships to protect her sensitive heart, plus-sized Molly supports her once-cynical twin, Cassie, when the latter has her own bout of lovesickness, a situation that is complicated by sibling dynamics and an unexpected romantic triangle.

"Imogen Scott may be hopelessly heterosexual, but she's got the Worlds Greatest Ally title locked down. She's never missed a Pride Alliance meeting. She knows more about queer media discourse than her very queer little sister. She even has two queer best friends. There's Gretchen, a fellow high school senior, who helps keep Imogen's biases in check. And then there's Lili--newly out and newly thriving with a cool new squad of queer college friends....