What happens when the murderers mett banquo and fleance?

In Shakespeare's play "Macbeth," the murderers hired by Macbeth kill Banquo, but Fleance manages to escape. This event is pivotal in the play, as Banquo's murder triggers Macbeth's descent into paranoia and further moral decline. Fleance's survival ensures the fulfillment of the witches' prophecy that Banquo's descendants will inherit the throne.