Four alienated students form an unlikely alliance when Coal School is attacked by deadly monsters.

Ram struggles to cope following events at the Prom, isolating himself from the others; when the school is faced with a new threat, the gang must unite to fight it.

When London is infiltrated by a shape-shifting alien, an unexpected visitor appears in Tanya's window.

April starts to feel greater effects of sharing her heart with Corakinus; something sinister is invading the streets.

While battling through the Shadow Kin realm, April knows she must defeat Corakinus; the invasion of the petals rapidly snowballs.

Thrown into detention, the gang becomes trapped in a prison that forces them to confess their secrets.