Jon Collin Barclay

Danny and Baez work with Texas Ranger Waylon Gates when they are put on a case to find the Lone Star Killer; after Eddie's partner mistakenly shoots an undercover cop, Internal Affairs accuses Jamie of not supervising properly.

Danny tells Charlie a bedtime story about a case involving bad Santas and a holiday miracle.

Reese and Finch become trapped in a hospital which has just become ground zero for a deadly viral outbreak. Also, Samaritan's newest recruit has second thoughts, and Shaw continues to struggle with reality.

When several bodies are found in a seaside town, Stabler navigates the politics and secrets of the close-knit community to find a potential serial killer; Jet brings a witness under her protection; tensions rise when Stabler skips his IAB meeting.

A rescued victim from Stabler's past goes missing; Bell recovers in the hospital while Jet, Reyes and Bashir are all questioned by IAB; Joe Jr. shows off his new career path.

The squad backs up Stabler in pursuing a murder case outside their jurisdiction as an unlikely ally provides a key piece of evidence; Bell works to find a way to get Stabler back on the job.