Penny Marquez is sick of New York, her ex, and her old life. After a miserable breakup, she realizes it's time for a change and decides to run away to London and pursue a Master's degree away from the man who broke her heart. What you could call a "hot mess," Penny soon resolves that relationships just aren't for her and that it's time for her to figure out who she really is. With the help of her friend, Oliver, she starts to have some fun for the first time in her life. Despite all her new adventures, however, she quickly finds out that moving on and "just having fun" isn't as easy as it sounds. Penny starts to think that maybe moving to London was a massive mistake.