Fleeing from an unstable life, a young vampire hides in the depths of the ocean, expecting to remain alone and forgotten for the rest of time. It isn't until a mermaid tries to save him from drowning does he find a reason to live. Meanwhile, a witch lives alone in the forest with only her familiar, a grasshopper. When the grasshopper runs away to an amusement park, the witch must overcome her aversion to crowds and the memories that they make her relive.