Ep 19. The Descent of Man

The CSI team is called out to a seedy hotel where a prostitute has been brutally murdered. The investigation quickly reveals that the victim had been staying at the hotel with her young daughter, who is nowhere to be found. The team races against the clock to find the missing girl before it's too late.

Meanwhile, Catherine Willows is dealing with some personal issues when her daughter comes home from college unexpectedly. Lindsey is struggling with a lot of emotional baggage and Catherine is having a hard time connecting with her. The two women work through their issues and bond over the case they are working on together.

As the investigation continues, the team discovers that the victim had a connection to a wealthy businessman who has a dark past. The team must dig deep to uncover the truth about who killed the victim and find her daughter before it's too late.

The case takes a turn when the team realizes that the missing girl is not the only victim in this disturbing series of crimes. The team must race against time to track down the killer and stop the violence before it's too late.

As the team works the case, they must also navigate their personal lives, including Grissom's decision to take a leave of absence and Sara's open frustration with the investigation. In the end, the team must come together to solve the case and save the missing girl, before it is too late.

"The Descent of Man" is a gripping episode of CSI Crime Scene Investigation that will keep viewers on the edge of their seats. With a compelling storyline, intricate plot twists, and a cast of unforgettable characters, this episode is a must-watch for fans of the series.