They slept in the same bed, but never met. Editor Tiffy and nurse Leon are roommates who are forbidden to see each other. This is the rule of housing with subsettlement. Rent one apartment and stay there at different times without crossing each other. Notes are the only way to communicate. That's how a guy and a girl talk about everything. Tiffy learns that Leon is trying to break her brother out of prison. Tiffy herself escapes from the persecution of a crooked ex. Their lives inevitably intersect. But falling in love with your neighbor, even in absentia, means breaking the rule. But maybe this is the only chance to finally meet...