A historic government office and police station in Niagara Falls, Ontario is redeveloped into seven condominiums. Some new residents have ties to its cultural heritage, while others bring secrets to keep there.

Siblings Lily and Rose must cohabit for one year or lose their inheritance, despite their animosity toward each other. Gracie Sheehan is determined to make a fresh start after many unexpected events force her to question her values and life goals. Young lovers move down the hall from a self-serving customs broker who always gets whom and what he wants.

Mix these unique characters with a medley of others, add a building manager with secrets of his own, and discover how Park Street becomes a chaotic blend of love, betrayal and the need for human connection.