After a night out with Zion, Paul comes home to a startling discovery. Austin receives a surprise visitor at school.

Sparks fly as Paul and Zion's families join the Millers for a holiday dinner. Austin looks for his Christmas gifts — and makes a dangerous find.

Georgia insists on going to Ginny's therapy session, where raw truths emerge. Gil pushes his way into Austin’s life and Georgia finds cause to celebrate.

After a sudden behavior change raises concern among his friends, Marcus has a tearful meeting with Ginny. Austin witnesses a terrifying scene.

A buried secret comes to light. Joe and Georgia reminisce. An already heartbroken Ginny overhears upsetting news.

As Gil continues to make threats and Cordova closes in, revelations about Georgia's past surface at the worst possible time.