In this poignant exploration of modern suburban isolation, Peter Lovenheim examines the social fragmentation of his own upscale neighborhood following a local tragedy involving a murder-suicide. Seeking to dismantle the barriers of privacy that keep neighbors as strangers, the author initiates a series of consensual sleepovers in the homes of those living on his street. Through these intimate stays, he documents the diverse lives of residents, including a lonely elderly widower, a high-powered business couple, and a physician battling terminal illness. The text highlights how physical design and busy lifestyles contribute to a lack of local social capital, leaving individuals vulnerable during crises. Ultimately, the work serves as a call to revive meaningful community connections, suggesting that knowing those nearby is essential for both personal well-being and collective safety.