身處人生不同階段的三個女生，因著各自的原因及期望出走他方，尋找生活所需的空氣。一呼一吸之間，走出自己的旅程。
年輕早婚的Faye在無憂的婚姻生活中夢碎醒來，帶著被前夫背叛的傷痛出走散心，投靠嫁到台北的好友。她一心想放下上一段感情，重新找一個家，莽撞地展開徵婚歷險，就如一場夢遊仙境。
事業遇到樽頸的Lydia與丈夫Leo雙雙放下香港的高薪厚職移居綠島經營潛店，為的是那份曾經在當地感受到的自在。然而，想像與現實往往有著無可預知的距離。事事力求完美的Lydia遇上疫情衝擊生意，與當地伙伴的磨合亦未如人意，加上發展事業與生育計劃兩邊角力，Lydia與丈夫之間也開始出現矛盾，生活中所有事情同步泛起湧浪。
美術老師Yvonne以工作許可在台北生活多年，卻突然接獲學校的不續約通知。Yvonne 自覺難以重新適應香港的節奏，想繼續留下來但又苦無出路。身邊同事信宏和好友雨姍都熱心協助Yvonne尋找留台的可能方法。然而，Yvonne更需要的，或許是坦白面對自己想留下的原因。

3 women, each at a different stage in their lives, seek a new life overseas due to their own reasons and expectations. Faye, who married early, has just been cheated on by her husband. For a change of environment, she visits her best friend in Taipei. There, she recklessly tries to find someone to marry in order to settle down. Married couple Lydia and Leo were both high-flyers. When they reached a bottleneck in their careers, they quit their well-paid jobs in Hong Kong and moved to Green Island to run a hotel. They had been to Green Island before and had fallen in love with the carefree lifestyle there. However, reality rarely matches our expectations. Lydia is a perfectionist. Her business is hit by the pandemic and she does not get along with her local business partners. Having to juggle business and family planning, conflicts emerge between Lydia and Leo. Yvonne, an art teacher on work permit, has been living in Taipei for a number of years. One day, the school informs her that her contract will not be renewed. Thinking that she may not be able to get used to the fast pace of life in Hong Kong again, Yvonne desperately wants to stay in Taiwan. Her colleague Shun Wan and good friend Yu Shan are eagerly helping her find a way to stay. However, what Yvonne needs to do now is be honest with herself about the real reason she wants to stay in Taiwan.