As a third-year PhD candidate, Olive Smith doesn't believe in lasting romantic relationships—but her best friend does, and that's what got her into this situation. Convincing Anh that Olive is dating and well on her way to a happily ever after was always going to take more than hand-wavy Jedi mind tricks: Scientists require proof. So, like any self-respecting biologist, Olive panics and kisses the first man she sees.

For as long as she can remember, Evangeline Fox has believed in true love and happy endings…until she learns that the love of her life will marry another. Desperate to stop the wedding and to heal her wounded heart, Evangeline strikes a deal with the charismatic, but wicked, Prince of Hearts. In exchange for his help, he asks for three kisses, to be given at the time and place of his choosing. But after Evangeline’s first promised kiss, she learns that bargaining with an immortal is a dangerous game—and that the Prince of Hearts wants far more from her than she’d pledged.

Isabella Shay is usually a very honest person. But when she's running late for her first day at a dream job and the barista yells for "Amy" three times with no answer, she does the unthinkable. Izzy takes that PSL. But when she turns around and runs directly into the most attractive man she's ever seen, spilling the drink all over his GQ shirt and tie, she ends up having the ultimate meet-cute. Sparks fly and things feel beyond promising until he says the words, "See you tomorrow, Amy." Uh, oh-she'll definitely have to straighten him out the following day.

When seventeen-year-old Bailey starts a new job at a hotel waterpark, she is less than thrilled to see an old acquaintance is one of her coworkers. Bailey met Charlie a year ago on the long flight to Omaha, where she moved after her parents’ divorce. Charlie’s cynicism didn’t mix well with Bailey’s carefully well-behaved temperament, and his endless commentary was the irritating cherry on top of an already emotionally fraught trip. Now, Bailey and Charlie are still polar opposites, but instead of everything about him rubbing Bailey the wrong way, she starts to look forward to hanging out.

After living through a dumpster fire of a Valentine’s Day, Emilie Hornby escapes to her grandmother’s house for some comfort and a consolation pint of Ben & Jerry’s. She passes out on the couch, but when she wakes up, she’s back home in her own bed—and it’s Valentine’s Day all over again. And the next day? Another horrendous V-Day. Emilie is stuck in some sort of time loop nightmare that she can’t wake up from as she re-watches her boyfriend, Josh, cheat on her day after day.