When Sophie is left alone as Sian goes on holiday, it's not long before party girl Amber invites her out for the evening.
But when Amber kisses Sophie, after she's chatted up on their night out, she starts to question her feelings.
Sophie realises she's impressed by Amber's boisterous ways and that she's there to support her now Sian's away.
Brooke Vincent, who plays Sophie, said: "After the kiss, she realises she's in love with the whole Amber attitude. It's going to be very exciting!"
Watch the full interview with exclusive preview clips now.