Samantha is not exactly excited to spend her entire summer vacation in Florida with her grandma. Or to have to write to her future self in the journal her mom insists she use. But it turns out that Gram has some not-so-boring plans up her sleeve... Gram and her friend Mimi are going to audition for the Seniors Have Got Talent Karaoke Contest! A road trip in Gram's new Mustang turns into a series of hilarious mishaps that flip Samantha's summer on...