Kate and her friend Sammie go to Dusk City on a hen's night dare. Kate spends a wonderful night dancing with a man called Jaeger. When she returns home though she realizes her engagement ring has been stolen. Too embarrassed to confess the truth to her fiancée Simon, she returns to Dusk to find it. However, this time she must give up her love for Simon to the gatekeepers, the Emotion Traders, to gain entry. The understanding is that she will get the love back when she leaves. After a fruitless search she returns to the Traders, but someone has bought her emotion from them. Kate has to find the buyer and get her love for Simon back or she'll be stuck in Dusk forever.