Theodore Finch constantly thinks of ways he might kill himself, but each time something good stops him. Violet Markey exists for the future, counting the days until she can escape her Indiana town and her aching grief for her late sister. When they meet on the ledge of a tower, what might have been their end turns into their beginning. It's only with Violet that Finch can truly be himself - a funny guy who's able to find the joy in life. And when Violet's with Finch, she forgets to count away the days and starts to live them. But as Violet's world grows, Finch's begins to shrink. He's trying to cling on to all the good things in his life, but will it be enough this time?