The rootless floating duckweed wanders around in different places, but cannot give birth to the roots in the heart, like a child who can never find a home. But because of an accidental heavy rain, two indifferent people are forced to land under the same roof under the same roof. They secretly develop feelings for each other. They meet in the rain, want to love in the rain, struggle in the rain, and finally give birth to the root of mutual satisfaction. Year of attack × sensitive and awkward feeling