For simple syrup:

1. Bring 2 cups water, 2 cups sugar, and 2 cups dark, sweet cherries (raspberries or strawberries) to a boil with two cinnamon sticks (or one tbsp of whole cloves, or one tbsp of whole allspice)
2. Let boil for 4 minutes.
3. When cool, strain into a jar and chill.

For hibiscus-infused gin:

1. Place 4 hibiscus teabags in a large mason jar with a fifth of the gin of your choice.
2. Let sit for at least 24 hours.
3. Remove tea bags

For the cocktail:

1. Mix all the ingredients in a pitcher jar. Pour into tall glasses packed with ice. Sip slowly.