Cargo: In order to escape, we need to get through that force field.
Captain: I may know a way. your alien biology reacted differently than ours would to the radiation that mutated you. This force field is based on that same radiation field.
Cargo: Are you saying my body might be immune to the force field?
Captain: You should be a ble to walk right through! Try it!
Oh, right, you reacted badly to the radiation the first time, didn't you? Yeah, this wouldn't work then.
