After losing their engagement ring, Yi-Zhi fears for his future with Lisa -- but as the ring travels from couple to couple, they begin to reexamine th…
Yi-Zhi's perfect proposal to his girlfriend Lisa is disrupted when he loses the engagement ring on a train.
Zong-Fang lies to win over Ya-Wen's mother, but risks losing the love of his life. After Lisa flees to her parents' house, Yi-Zhi sets out to win both her and the ring back.
The ring ends up in the hands of retiree Yun-Sheng, who bumps into his college sweetheart. Meanwhile, Lisa spends more time with Alan, and Yi-Zhi tries to manage his feelings.
Yun-Sheng and Ching-Fang try to get the ring back when it's taken by a gangster, and Yu-Zhi attempts to be honest with Lisa.
As Lisa moves out, Yi-Zhi gives up on himself, while college student Zi-Long tries to return the ring he's found to his crush Amy.
Yi-Zhi and Lisa become roommates after drama arises between Lisa's parents. Meanwhile, Zi-Long suspects his father of taking the ring.
