Keeping a wakeful vigil for the monsters that creep into her room late at night, a young monster slayer uses special bubblegum perfume to fend off werewolves and vampires, before she is stymied by her sleep-deprived zombie parents.

Oona Lee arrives on Salassandra determined to light the yellow beacon and continue her quest to save the Five Worlds from the evil Mimic's influence. But the beacon is encased in amber! An ancient clue says that Oona and her friends must seek out the Amber Anthem to succeed. Meanwhile, Stan Moon sends an evil Jax robot to assassinate Oona and hunts down An Tzu himself. Turns out, as An Tzu fades away from his Vanishing Illness, he's becoming someone...

"In the epic conclusion to the 5 Worlds series, the final battle looms as Oona, Jax, and An Tzu travel to the treacherous world of Grimbo (E)! There, Oona must light the last beacon to save the 5 Worlds, but first she has to find it! When Jax saves an old friend, Oona is given a clue to the green beacon's location. Unfortunately, the journey to lighting it on this strange, watery planet is the most dangerous yet. Meanwhile, Stan Moon has one more...