Lovelorn, recovering co-dependent Ruby Weaver has just about given up on finding the right man when she bumps into Sam Deed, a sweet newcomer from Dubuque, Iowa. They quickly fall for each other but almost as fast their relationship takes a mysterious turn. Just as Ruby is beginning to relish her first ever "healthy" relationship, Sam begins muttering about being a time traveler from the year 2470. With the advice of her therapist and her friend Gretchen, Ruby must decide if she and Sam have a future together. Is he truly Mr. Right or simply a charming lunatic with an overactive imagination? But soon it is too late -- she's already in love. With little time to spare, the two must discover if love can change their destiny.