As a sinister plot targeting the school unfolds, Hayley embraces her new lifestyle, annoying Alex; Brooke argues with Alex about her brother.

A remarkable gift from Ryan boosts the Ravens' flagging spirits; Becca smothers Leo with attention; Brooke makes an impulsive and ill-timed decision.

Members of the Eagles and Ravens team up on a risky mission to locate a valuable chunk of magnetite; disheartened Brooke looks to make a fresh start.

As the Eagles and Ravens compete in a capture-the-flag challenge, Enzo receives a mysterious offer that is too lucrative for him to question.

Hayley's determination to get to the bottom of an annoying beeping sound unwittingly sets into motion a deadly chain of events.

After an explosion rocks the school, one student hopes for a rescue while another is menaced by a mysterious virus.

While Hayley considers a risky way to save her classmate, the Eagles and the Ravens theorize about the virus.

Leo's setback creates tension between Hayley and Daniel; an FBI investigation results in several major revelations.

Entrusted with personal information, Becca and Daniel battle their true emotions; a schedule change poses a serious problem for a shadowy enemy.

The enemy puts a sinister plan into motion; Sophie investigates questionable news while Daniel weighs making a confession.

As the Eagles and the Ravens study evidence from an attack, a suspicious text from Leo leads them all to a shocking discovery.