Macbeth Act-4 Scene-3

Macduff reaches England and advice’s Malcolm to lead a military army to dethrone Macbeth.Malcolm initially suspected that Macduff was sent by Macbeth but as soon as he proves his loyalty they both pledge to do whatever it takes to make Macbeth pay for all those devious deeds. Macduff learns from Ross that Macbeth man-slaughtered Macduff’s family,Malcolm wants him to convert his anger and grief into revenge .