A young man develops severe neck pain after swimming in a polluted river for a movie shoot, but nobody can provide him any relief.

Three lonely young denizens of Taipei unknowingly share an apartment: May, a real estate agent who uses it for her sexual affairs; Ah-jung, her current lover; and Hsiao-kang, who's stolen the key and uses the apartment as a retreat.

Chien Ching-fen, having attained all her life goals, begins to question the true nature of happiness. Realizing that achieving happiness often involves suffering, she seeks out new challenges. Her curiosity about her former rival, Rebecca, leads her to explore whether suffering is the path to lasting fulfillment.