In an era where the Internet of Everything and smart lockers are fully popularized, the old manual collection station operated for 11 years at the entrance of Hongyuan Residential Community is forced to face clearance. Relying on a 'handwritten notebook' recording the special needs of 31 elderly and disabled seniors, collection station owner Chen Jianguo struggles to hold his ground amidst the cold tide of algorithms and efficiency. Until a sudden midnight medication outage crisis nearly causes a tragedy for an elderly person living alone. Facing the crushing weight of capital and the coldness of the times, Chen Jianguo joins hands with a suddenly awakened professional manager, vowing to retrieve the warmth forgotten in the tide of intelligence.