Theyearis1544.UnderthesupervisionofHenryVIIIJonathanRhysMeyerstheEarlofSurreyDavidOHaraandhismenattempttotunneltheirwayintotheFrenchcastleatBoulogne.ClearlypleasedtobeonceagaininthefieldofbattletheKingdinesandentertainsinstyleathistentsomedistancefromtheaction.Butprogressisslowandconditionsareappallingforhissoldiers.OvertwothousandmendieofdiseaseandstarvationandanotherthreethousandfallillasthefluxsweepstheKingscamp.WhenhopeofsuccessseemsallbutlostTrevisoDanielCaltagironetheKingsengineercreatesaspectacularexplosioninthetunnelthatfinallybreachesthecastle.TheFrenchsurrendertoagloatingHenrywhoreturnstoEnglandintriumphandcommandsfestivitiesandcelebrationsthroughouttheland.