In the video, a person is seen holding a white wire with a red wire attached to it. The person is using a soldering iron to solder the wires together. The soldering iron is heated and applied to the wires, creating a connection. The person then tests the connection by touching the soldered wires with their fingers. The video shows the process of soldering in detail, including the use of a soldering iron and the creation of a secure connection between the wires.