Using a fish scaler and some fishing wire, Mac and Jack must track down a corrupt FBI agent who has framed a man for murder. Also, everyone on the team is terrified to get their first performance review from Matty, their tough new boss.

When Mac and Jack are trapped inside Mac's house, which his nemesis, The Ghost, has rigged with explosives, Mac uses a karaoke mic and an audio transformer to let the team know that this bomb is a distraction for a bigger one. Also, through flashbacks, Mac and Jack's contentious first meeting unfolds.