- Main characters: Lin Wan (a sensitive, perceptive girl who loves painting) and Chen Yu (an optimistic, resilient boy who dreams of becoming a doctor)
- Central motif: The “time jar” beneath the old pagoda tree, which they buried as children and filled with keepsakes such as drawing paper and marbles. It symbolizes their emotional bond.
- Story span: 18 years, from childhood sweethearts at age six to finally finding their way to each other at 24
