While playing a Mahjong game, Rachel and Eleanor discuss recent events. In the conversation, Rachel points out that despite being a poor American, raised by a single mother, she is still enough.

After creating five solid squares on the ground, the CyberSquad uses a vehicle to lift the squares off the ground and create a cube. The cube transforms into the Archimedes Terminal.

Rachel joins Nick's mother to tell her that she turned down his marriage proposal because she knows his mom does not approve due to her immigrant background.

The CyberSquad needs to get across a pool of lava. They find tiles in the shapes of triangles, pentagons, and hexagons, and tessellate the tiles in order to create a bridge that will shield them from the heat. When they run out of triangles in the middle of creating the bridge, they attempt to use pentagons, but that shape leaves gaps, so they use hexagons to complete the bridge.

Lisa places the black hole in the basement but as trouble convincing everyone that the black hole is dangerous and can't keep the black hole from growing and engulfing Springfield.