Everyone begins looking for a way out of the cell. After a few seconds, you all hear a large explosion and the ship suddenly comes to a halt out of hyperspeed. Everyone, including the guards is thrown forwards. Now, as the guards can't see the forcefield between the bars deactivates. The guards get up and look at each other.
"What was that?"
"I shall go and investigate"
One of the guards leaves the room on the other side of the bars...Time to break out