Hannah Martin has lived in six different cities and held countless meaningless jobs since graduating college. On the heels of leaving yet another city, Hannah moves back to her hometown of Los Angeles. She goes out to a bar one night with her best friend, Gabby, and meets up with her high school boyfriend, Ethan. Just after midnight, Gabby asks Hannah if she’s ready to go. A moment later, Ethan offers to give her a ride later if she wants to stay. What happens if she leaves with Gabby? What happens if she leaves with Ethan? In concurrent storylines, Hannah lives out the effects of each decision.
Elsie Porter is an average twentysomething who heads to pick up a pizza for one on New Year's Day. She isn't expecting to see anyone, much less charming Ben Ross. Their chemistry is instant. Within weeks, the two are head over heels in love. By May, they've eloped. Only days later, Ben is out riding his bike when he is hit by a truck and killed. At the hospital, Elsie faces Susan, the mother-in-law who doesn't even know she exists.