Moving to Jupiter's palace on Mount Olympus with her friends after being recognized as the Flame, Emily resolves to save her father from the CRU prison and sneaks away only to become entangled in a new invasion by the Nirads.

Nimbus, a lonely pegasus, searches for a fallen star to wish for a friend and meets a unicorn named Kelp along the way.

Reborn as the Flame, thirteen-year-old Emily has saved Olympus from destruction but when the gruesome Nirads begin a new invasion, Emily and her friends become entangled in the conflict as old grudges are unearthed and new enemies are discovered.

Nimbus the pegasus wonders why she cannot be sunny all the time like everyone else, but when she introduces her friend Kelp to her cloud, she finds the unicorn is a very good listener.

Watching birds soar through the sky makes Uni want to fly! When Uni befriends a winged horse named Pegasus, it seems like flying might be possible. Uni's magic unicorn horn is good for helping others but it cannot make wings. Peg coaches Uni's creative attempts to make a set of wings. And it turns out that Uni can do some things Peg cannot do.