Tiara Parker

When the gang tries to convince Ted that he is being strung along by Tiffany (Carrie Underwood), they reflect about relationships where each of them has been in the same situation.

Gabrielle tries to keep Grace in her life; Renee shares a dark secret with Susan; Paul's plan is revealed.

When a heist goes bad and a bank manager is shot dead, a frantic gunman takes the entire bank hostage and demands a CSI come in to prove his innocence. (TV-PG)

Isaac's new girlfriend, Raina, is put in an awkward position when Sebastian prevents the team from telling him that they have re-opened his fiancée's murder case because the person behind her death may still be at large.