This video explains the contract of empreitada (contracting/undertaking) in civil law. It details the roles of the contractor and the owner of the work, differentiates it from a service contract, and explores various classifications and characteristics of empreitada contracts, including bilateral, consensual, commutative, onerous, and successive obligations. The video also touches upon different types of empreitada, payment structures, and the conditions under which such contracts can be terminated.