A former roller coaster safety inspector joined a nursing home, only to find it full of fatal hazards. However, due to his excessive pursuit of absolute safety, he faced resistance from the elderly and dismissal by Director Lin. To protect the elderly's dream of chasing the wind and freedom, he decided to use scrap parts to launch a hardcore modification plan, upgrading old wheelchairs into invincible downhill chariots. Facing the dilemma of frozen funds and the strong resistance of smart wheelchairs, An Jian led Uncle Ding and others in an extreme competition on the track. This unconventional crazy race will determine whether they can break through various obstacles and win back the dignity of life.