Training service dogs is single dad Jake Beckett's calling. He's determined to train rambunctious puppy Callie to help his ailing friend Myrna live independently with her growing blindness. Myrna's granddaughter, Olivia Hart, isn't easily convinced, but Jake, his twins and Callie are an incredibly persuasive team. If Olivia agrees to give Callie a chance, will working with Jake risk her lifelong dreams?