In the Will & Grace episode (Season 5, Episode 20), the plot centers on a comedy of errors involving a surprise birthday guest and a secret that everyone—except the person supposed to be surprised—knows. Plot Summary

This episode highlights the sweet, often overbearing friendship between Will and Grace, as well as the eccentric dynamics of the core group when forced to keep secrets.

Leo arrives earlier than expected and immediately clashes with Will, who insists on keeping him "under house arrest" until the big reveal.