The Perry family grows in unexpected ways after a life-changing event, as oldest daughter Luly and her four siblings -- Theo, Charlotte, JJ and newborn Hope -- adjust to the addition of three new "dads" who agree to help guide and support them and their mother, Robin, through all the challenges and triumphs life has to offer as a promise to their father. These men -- Anthony, Larry and Oliver -- soon find redemption and purpose in their new roles as backup dads, discovering that they need the Perry family as much as the Perry family needs them.