The project is based on the 2009 novel of the same name by Joyce Maynard, which centers on an escaped convict and murderer who hides out with a single mother and her young son. Kate Winslet will play the mother while Josh Brolin is set to portray the murderer. Here's the official description of the novel below.
"With the end of summer closing in and a steamy Labor Day weekend looming in the town of Holton Mills, New Hampshire, thirteen-year-old Henry - lonely, friendless, not too good at sports-spends most of his time watching television, reading, and daydreaming about the soft skin and budding bodies of his female classmates. For company Henry has his long-divorced mother, Adele - a onetime dancer whose summer project was to teach him how to foxtrot; his hamster, Joe; and awkward Saturday-night outings to Friendly's with his estranged father and new stepfamily. As much as he tries, Henry knows that even with his jokes and his "Husband for a Day" coupon, he still can't make his emotionally fragile mother happy. Adele has a secret that makes it hard for her to leave their house, and seems to possess an irreparably broken heart.
But all that changes on the Thursday before Labor Day, when a mysterious bleeding man named Frank approaches Henry and asks for a hand. Over the next five days, Henry will learn some of life's most valuable lessons: how to throw a baseball, the secret to perfect piecrust, the breathless pain of jealousy, the power of betrayal, and the importance of putting others-especially those we love-above ourselves. And the knowledge that real love is worth waiting for."
Jason Reitman wrote the screenplay adaptation for Labor Day, which will start shooting sometime next year in New England. Labor Day is not set up at a studio at this time.