Gina Zoberski wants to make it through one day without her fastidious mother, Lorraine, cataloguing all her faults, and her sullen teenage daughter, May, snubbing her. Too bad there's no chance of that. Her relentlessly sunny disposition annoys them both, no matter how hard she tries. Instead, Gina finds order and comfort in obsessive list-making and her work at Grilled G's, the gourmet grilled cheese food truck built by her late husband.

But when Lorraine suffers a sudden stroke, Gina stumbles upon a family secret Lorraine's kept hidden for forty years. In the face of her mother's failing health and her daughter's rebellion, this optimist might find that piecing together the truth is the push she needs to let go...