This issue explores the hidden forces that shape our lives and what we see—from state control and voyeurism to coded gestures and interior worlds. In an age of oversharing and eroded privacy, a well-guarded secret takes on a new currency, a means of opting out of a system that wants to know everything about you. The photographers featured in this issue show how secrets can forge intimacy, create solidarity, become a form of play, propel a riveting whodunit, or resist language altogether.