Officer John Nolan is once again face-to-face with serial killer Rosalind, and she wants him to know she’s not done with him yet. Meanwhile, officers Bradford and Chen work undercover…

Shaun visits his father on his deathbed and the family reunion reveals unexpected results. Melendez, Park, Reznick and Claire treat an injured star NFL player with severe spinal damage. Claire…

Penny starts dating Leonard’s handsome colleague; Leonard and his friends are tortured by Sheldon’s obsession with gift-giving etiquette.