Katrina is amazed. She falls in love so easily. Today, she walked into the coffee shop alone and fell in love with the cutest barista EVER. Yesterday, she walked into the same coffee shop with her best friend and told herself not to. Doesn't it sound great to time travel? But she's read the books. Space-time continuum and all that. How can she stop herself from falling in love with yesterday's unnatural disaster? And why is her best friend going out of his way to make sure she does?