A strict father and his two boys share a calm life in a creaky old home. One summer moment changes everything for the brothers.

Returning home for his mother's birthday, Jhe-Ming must decide if he’s ready to reveal his secret: he’s married to the man he loves.

Tin On moves from Hong Kong to Taiwan suddenly in January 2020. She finds out the light in the apartment seems to be broken. The landlord asks her neighbor, Yi Ming, to fix it. Tin On seems far away from her reality. Yi Ming gets closer to her to uncover the mystery of her presence.