I take the bees outside, unscrew the lid of the bee jar, and listen to their angry buzzing. "I hate you," I whisper. Lily's mother has slowly been losing herself to multiple sclerosis. After traditional treatment fails, she uses bee sting therapy, administered by Lily, to alleviate her pain. Lily is trained as a veterinary assistant, so she can easily handle the treatments. What she can't handle is what happens when the bee sting therapy fails and it becomes clear that her mom wants to die. One beautiful spring day, Lily's mother asks her for the most impossible thing of all—mercy. While navigating first love, friendship, and other normal worries faced by high school sophomores, Lily also has to choose: help her mom go, or cling to her fading life for all it's worth.