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.

When a retiring assassin realizes that he is the target of a hit, he winds up back in the game going head to head with a gang of younger, ruthless killers.