He needs to be killed or everything you have done will get you killed he knows what you have done
We killed Banquo
oh noo Fleance is getting away
ohhh noo dad dont die plz
After Banquo seems suspicious of Macbeth, who hired two murderer to kill Banquo and Fleance, while they are on their way to Macbeth's feast.
Lady Macbeth summons her husband, Macbeth, and the two of them have heart to heart conversation. Plus, both of them seems unhappy about the current situation.
Banquo's murderers gather to carry out their hit. No sooner or later, Banquo and his son, Fleance, arrives at the scene and they killed Banquo. But, Fleance manages to escape and the murderers head back to the castle to report half of the job is done.