Complex sentence: Chloe started making friends instantly and got on well with Charity Dingle, soon becoming Charity Tate's (Emma Atkins) confidant, and Chloe was amazed when she learned about Charity's affair with Zoe Tate (Leah Bracknell).
Split into simpler sentences: Chloe started making friends instantly and got on well with Charity Dingle. Chloe soon became Charity Tate's (Emma Atkins) confidant, and Chloe was amazed when Charity told Chloe about her affair with Zoe Tate (Leah Bracknell).