While Langston testifies in the trial of a respected Congressman, new evidence sends the CSIs back to the lab to reopen the investigation.

Riley knows she has to tell Danny she has feelings for him before his relationship with Robyn gets any more serious.

After making a mess of her confession to Danny, Riley retreats to her parents’ house to hide.

Bonnie and her old boyfriend Brad are in competion for a huge listing so she decides to seduce him in order to beat him.

The navy are in town so Ben and Tucker pretend to sailors in order to score with the ladies.

Cristina is awarded the first solo surgery among the residents, but she is forced to give it up and choose her replacement; Lexie is impressed when Mark performs a cutting-edge…