: Catherine investigates the murder of her friend Grace, leading her to track a suspect as far as Bulgaria to secure an immunity deal.

* Creator. Jason Tracey. * Paula Newsome. Matt Lauria. Mandeep Dhillon.

premiered on September 29, 2022, on CBS and consists of 21 episodes. This season features the return of franchise veteran Marg Helgenberger as Catherine Willows, who rejoins the Las Vegas Crime Lab to investigate the disappearance of her friend, Grace Huang. Core Storylines