Mariah drank a little too much coffee before her dentist appointment, but it's too late to use the bathroom now. After sitting still in a chair for what feels like forever, she has to rush home without getting a chance to relieve herself. Will she make it on time, or will she have a wet accident all over her jeans?

When Brook has to spend a train ride desperate, she has no idea she'll meet Dani, another person who's as desperate for a toilet as she is. Together, they force themselves to hold on for one agonizing hour before they can have their sweet relief. But an hour is a long time when you're bursting, and the girls might not make it no matter how hard they try.