Episode 1

Katie has no friends but then a strange girl turns up out of the blue.

Episode 2

After meeting Anna, Katie's happy - but what is Anna's secret?

Episode 3

Katie looks forward to celebrating with Anna, but disappointment looms.

Episode 4

All bets are off when Katie's been hurt.

Episode 5

Katie regrets being rash and is in danger of losing her only friend.

Episode 6

Katie realises that saving Anna means sacrifice.