The assignment content discusses the concept of vicarious liability, which holds the principal liable for the actions of their agent or employee. The presence of ostensible authority and implied actual authority are key factors in determining liability. The case of Hely- Hutchinson v Brayhead Ltd (1967) 1 QB 549 is cited as an example of how a principal can be held liable for their agent's actions. Additionally, the cases of Gemma and Bob are discussed, highlighting the importance of investigating serious misconduct before taking disciplinary action.