Prison Break Season 4 Episode 11 : Quiet Riot
Gretchen tries to get the last card by luring the General to her, but he finds out her intentions and threatens to kill her if he sees her again. Self and Trishanne find a lead on Feng Huan, the intended buyer for Scylla should T-Bag and Gretchen get there, but the two are captured by Huan and his men. The rest of the team break into the vault, which has sensitive noise, pressure and temperature alarms. The team successfully manages to get to Scylla. However, the General sees this through CCTV and is sending his men to stop them.