Watch these key moments and discussions about the high-stakes cases and ethical dilemmas in season 4 of Suits: Suits Recap – Season 4, Episode 14: Derailed

Desperate to help Mike meet Harvey's deadline, Donna takes a massive legal risk that serves as the episode's major turning point.

: Harvey Specter initially refuses the case, as the firm typically avoids suing large corporations that could be potential clients. He eventually gives Mike a 24-hour deadline to find proof, or he will pull the plug on the case. The Fall of Donna Paulsen

: Donna impersonates a federal employee from the National Transportation Safety Board (NTSB) to gain access to Liberty Rail’s secure facility and illegally obtain incriminating documents.

: Feeling betrayed by Jessica's persistent dishonesty, Jeff officially ends their relationship. The Themes of Integrity and Legacy

: Jeff pranks Louis Litt by paying the receptionists to omit Louis's name from the firm's phone greeting.