Trace Adams is a kind and friendly doctor for a species of demi-humans called Kadriens. Katherine Willis is a reserved and distrustful Kadrien girl. In a ironic turn of events in their lives Katherine, nicknamed Kat by Trace, finds someone to care about in the most unexpected place, and Trace, finds an adventure that's going to turn his life upside down. Read along as you travel through, The World of Trace and Kat.