The Fire Starter

Siadra is a princess that feels out of place she would rather spend her time reading or spending time with horses or hunting for herbs.One night while out looking for spices and herbs Siadra stumbles upon a trapped unicorn who has the ability to control fire she frees the beast and in return the unicorn agrees to help free Siadra from her life the only way is to runaway and race in the Royal cross country race a very dangrous race that will take the lives of half the contestants but pays great for the winner and Siadra can race as long as two things don't get out.Siadra has to make sure of is 1:no one finds out she is a girl and 2:no one can know that the mare is a unicorn as long as their secrets stay secret everything will be fine right?