Huang Yi-Zhi lost his ring on the subway on the day he was going to propose. The ring travels through the hands of 7 different people and weaves together 7 romantic tales.
Zong-Fang stumbles upon the ring and lies about his financial status to win Ya-wen's mother's approval, but Ya-Wen sees through his lies and is disappointed in him.
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.
When she crosses paths with the ring, struggling radio show host Rossy finds herself in a struggling marriage. Though he wants to, Yi-Zhi realizes he cannot give Lisa the promise she needs.
As Yi-Zhi and Liza prepare separate trips abroad, Yi-Zhi finally gets the ring back--and through learning of the ring's adventures, finds the answer he's been searching for.