Sixteen-year-old Emilie, stuck in a cosmic Groundhog/Valentine's Day nightmare where she discovers her family is splitting up and her boyfriend is cheating on her, decides to embark upon The Day of No Consequences, but when her repetitive day suddenly ends, she must face the consequences of her actions.

Seventeen-year-old Aimee Roh has Sensory Time Warp Syndrome, a rare condition that causes her to time travel to a moment in her life when she smells something linked to that memory. Her dad is convinced she'll simply grow out of it if she tries hard enough, but Aimee's fear of vanishing at random has kept her from living a normal life. When Aimee disappears for nine hours into a memory of her estranged mom--a moment Aimee has never remembered before--she...

After reliving the same day for months, eighteen-year-old Barrett reluctantly teams up with her nemesis Miles to escape the time loop, and soon finds herself falling for him, but what she does not know is what they will mean to each other if they finallymake it to tomorrow.