Prison Break Season 4 Episode 15

In Season 4 Episode 16,While Lincoln works with Sucre to get Scylla back, Self kills the conduit and arranges the meet with the buyer, who plans on killing Self and Gretchen, though Sucre and Lincoln find them both and takes them into Company custody, but Scylla is gone. Meanwhile, Michael gets his surgery, where he has visions of Charles Westmoreland and uncovers what Scylla actually is. After the surgery is a success, Michael tells Sara that he thinks Scylla is a formula for a means of harnessing the full potential of solar energy. Mahone manages to escape from Lang and Wheeler. In the end, Michael learns that not only does Lincoln now work for the Company, but his mother did also.