When the infamous "Sweet Sixteen Killer" returns 35 years after his first murder spree to claim another victim, 17-year-old Jamie accidentally travels back in time to 1987, determined to stop the killer before he can start.

Honor is an ambitious high school senior whose sole focus is getting into Harvard, assuming she can first score the coveted recommendation from her guidance counselor, Mr. Calvin. Willing to do whatever it takes, Honor concocts a Machiavellian-like plan to take down her top three student competitors, until things take a turn when she unexpectedly falls for her biggest competition, Michael.

When Olivia, a successful interior designer, finds an old letter from Santa promising she’ll meet the love of her life by Christmas Eve — and that his name will be Nick — she’s stunned to meet not one, but three guys named Nick.” In addition to navigating three holiday romances, she finds herself drawn to a co-worker.