Lizzie, a high-end event planner, lies awake nightly while her devoted fiancé Josh rests peacefully. When a sleep-deprived incident causes her to run into Billy, a low-key bartender who is just as sleepless and frustrated as she is, they discover that they can only fall asleep while next to each other.

Olivia Anderson is a successful young woman who met her childhood sweetheart during her family’s annual Christmas visit to Hawaii. After being separated by distance and years, the two reunite at the same Hawaiian resort years later, and the old chemistry between them flares up anew—but circumstances conspire to keep them apart.