Banquo bites the dust.
Characters: 
First Murderer

A killer-for-hire in Macbeth’s employ, hired to assassinate Banquo and Fleance.

Second Murderer

A killer-for-hire in Macbeth’s employ, hired to assassinate Banquo and Fleance.

Third Murderer

An assassin who appears unexpectedly to help carry out the hit on Banquo. His identity is a mystery.

Banquo

Macbeth's former friend is ambushed by a group of murderers and urges his son to escape before he is killed.

Fleance

Banquo’s son, who escapes the murderers’ attack.

Scene Summary: 

Banquo’s murderers gather to carry out their hit. No sooner do Banquo and his son arrive on the scene than Banquo is killed. His son manages to escape, and the murderers head off to tell Macbeth what happened.