Quick recap
Detective Eric Matthews finds Jigsaw's lair a little too easily. A sick John Kramer is sitting there, waiting. On the monitors, eight people locked in a house are breathing a gas that kills within hours. One is Eric's son Daniel. Another is Amanda. Eric once put all of them away with planted evidence. John just wants to talk, and Eric snaps. He beats John until John takes him to the house. But the footage was recorded: Daniel sat in a safe right next to them all along. At the house, Eric reaches the old bathroom, and Amanda, now Jigsaw's apprentice, locks him in.

