Aria is a creative and introspective teen trying to find her identity, known for her striking appearance and complex relationship with her teacher.

Emily is a dedicated swimmer dealing with questions about her sexuality, influenced by her relationship with newcomer Maya.

Spencer is a highly competitive and ambitious girl living in the shadow of her older sister while navigating romantic entanglements.

Hanna is a girl who reinvented her image after a painful past, grappling with self-esteem issues while striving for popularity.

Mona becomes Hanna's glamorous and adventurous best friend, playing a pivotal role in Hanna's transformation.

Melissa is Spencer's competitive and seemingly perfect older sister, embodying the goals Spencer strives to reach.

Ezra is Aria's English teacher with whom she has a complicated and secretive romantic relationship.

Wren is Melissa's boyfriend who connects with Spencer, adding tension to the sisters' rivalry.

Maya is the vibrant and free-spirited new girl who forms a significant bond with Emily.

Ian is Melissa's ex-boyfriend who shares a flirtatious history with Spencer, creating ongoing complications.

Andrew is a seemingly innocent and diligent class president who represents stability amidst Spencer's chaotic world.