There's a new foster kid coming to stay, but Brandon Kelleher isn't like any foster child The Knot has seen before.

When a mythical creature, Tancath, is sighted in the woods, Rocket is determined to save it from extinction.

When an eccentric old lady, Mary Mac, comes to stay at The Knot, Jade discovers that she is the Queen of the Fairies.

When Alli breaks a rare bird's egg at school, she embarks on a quest to find a new one; will Alli and the gang succeed and will she realise how precious the Golden Egg really is?

When Alli makes a wish for a best mate, she is shocked to find it comes true; with her parents and the police soon on the trail of the mysterious Shada, will Alli be able to keep her wish-friend a secret?

Shada is desperate to hear news about her mother; as her hope fades, Brandon inadvertently upsets her by sharing his own experiences of abandonment; Alli and Shada are trapped in a haunted fallout shelter.