Wash all fruit. Cut sides off apples and discard core. Cut plums in half and discard pit.
Add apples, plums, cinnamon sticks, nutmeg and water to crockpot. Cook on high for 3 hours.
Remove cinnamon sticks and blend cider until mostly smooth. Put cinnamon sticks back in and cook uncovered for 3 more hours.
Remove from crock pot and strain through mesh strainer, holding pulp in a separate bowl. Strain liquid for a second time through cheese cloth. Once all liquid is strained, add pulp back into cheese cloth and sit in fridge overnight or 12 hours. Discard pulp and enjoy cider!