On the first day of school at Bayview High, five students enter detention, but only four come out alive and all of them have secrets to kill for.

The "Bayview Four" go to Simon's wake and become official suspects in his murder; Addy does everything in her power to prevent Jake from discovering her secret.

The "Bayview Four's" secrets start to drop; Bronwyn makes a surprising discovery about her sister; Cooper faces the biggest test of his sports career.

The case makes national news and Nate is forced to confront his past; Bronwyn makes a surprising discovery about Cooper, who must deal with a crisis of his own.

The police pressure the suspects, trying to get a confession; a leaked piece of evidence puts Bronwyn in the spotlight; Addy starts to suspect one of her friends.

At the Homecoming dance, the "Bayview Four" look for evidence against their main suspect in Simon's murder.

The "Bayview Four" race against the clock to uncover the truth about Simon's murder and exonerate one of their own before it's too late.

The biggest secret is revealed as the murder club discovers the identity of Simon's killer on Halloween night.