The Underdark Passage — Schedule I Walkthrough

Character Creation & Initial Quest: After a cutscene, customize your character. You'll spawn near the bus station. Open your phone (Tab key) to find a message from 'Unknown' directing you to a payphone. This leads to 'Uncle Nelson,' who tasks you with retrieving his stash near the skatepark. You'll find $375 in a highlighted dead drop.

Renting a Motel Room: Speak to the motel manager, Donna. The quest updates to 'Rent a motel room.' After dialogue, you can pickpocket Donna to steal back the $75 needed for the room. Enter room 1 to complete the objective. Return to the payphone to speak with Uncle Nelson again.

Buying Equipment: A new questline, 'Gearing Up,' begins. Head to the hardware store (marked by a yellow star on the map, or by following the road past your room). Deposit your cash at the ATM. Purchase a grow tent, soil bag, and watering can from Dan. It's recommended to also buy 'Plant Trimmers,' a 'Packaging Station,' and 10 'Baggies.' If Dan asks about your occupation and you say 'drug dealer,' he may gift you 'Speed Grow.' After purchasing, return to your motel room, place the grow tent, and fill the pot with soil. Speak to Uncle Nelson at the payphone again.

Planting Your First Seeds: Uncle Nelson introduces Albert Hoover. Check your phone for a message from Albert. To order seeds, select 'I need to order a [dead drop]' and choose 'OG Kush.' After ordering, Albert will deliver the seed to a highlighted dead drop within 30 in-game minutes (30 seconds). You don't pay immediately; debts are put on a tab. After picking up the seed, sow it in the grow tent by pressing 'E' near it. Water the plant using the watering can (fill it at the sink first). The plant grows about 15% per in-game hour. Sleeping after watering can speed up growth and conserve water.

Harvesting and Packaging: Once the plant is fully grown, use the 'Plant Trimmers' on the grow tent to harvest the buds. Place the 'Packaging Station' and interact with it. Drag baggies and buds into the respective slots, then press 'Pack.' Drag each bud into a baggie, then drag the baggie into the hopper. Packaged weed will appear in the output. You can also unpack weed. Jars can be bought at the hardware store for storage.