Song Shiqiao (Angelababy), 22, lives with her devoted mother, widowed shop owner Zheng Qing (Jiang Shan).

Shiqiao, who always dreamed of being a ballet dancer, cannot exert herself physically as she suffers from form of myasthenia, a neuromuscular disease, that her father died of; the medication she takes also causes memory lapses.

One day, at a charity fair, she bumps into Gong Ning (Mark Chao), a former high-school friend she always liked, and the two end up dating, despite the initial disapproval of her mother.

Gong Ning dropped out of university to spend more time with a rock band he leads; also, his girlfriend, dancer Peng Wei (Cindy Yen), has dumped him because of his inability to focus his life.

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