The tribe of Bani Mustaliq were planning to launch a surprise  attack against the Muslims, and rumor of it reached Prophet Muhammad. He sent a companion named Buraydah ibn al-Husayb to investigate. The rumor was confirmed. This lecture covers: - The attack Prophet Muhammad led in response - The secret hypocrites who joined this battle - The battle's outcome - The Prophet's political marriage to Juwayriyya bint al-Harith, the daughter of Bani Mustaliq's chief - Prophet Muhammad's response to munafiq Abdullah ibn Ubayy criticizing the Muhajireen during the return trip to Medina - Allah revealing Surah Munafiqun to expose ibn Ubayy, and an explanation of the verses Lecture notes available at http://www.why-quran.org/?p=602. Subscribe at http://www.why-quran.org/subscribe to watch the lectures live and participate in the Q&A at the end of each class. Video recording of this lecture + Q&A available on YouTube at https://www.youtube.com/watch?v=pOFFolfr8a8&list=PLpkB0iwLgfTat-Pgh4W3WFmupPamiC9UT.