After settling in Green Hills, Sonic is eager to prove he has what it takes to be a true hero. His test comes when Dr. Robotnik returns, this time with a new partner, Knuckles, in search for an emerald that has the power to destroy civilizations. Sonic teams up with his own sidekick, Tails, and together they embark on a globe-trotting journey to find the emerald before it falls into the wrong hands.

Life with the latest foster family seems good for teenage siblings Darcie and Hannah. But when Hannah disappears without a trace, it’s down to younger sister Darcie to solve the mystery – and save the family from dark truths that threaten to destroy everything.