Liam, Ben and other friends are at a party where people are drinking. This is an establishing shot showing the setting of the party and identifying Liam's worried character and Ben's drinking.
Liam sees that Ben is about to drive home and is starting to worry about Liam drink driving. He is talking to himself and this is a close up of these thoughts.
Liam speaks to Ben about staying at his own house instead of driving home. He is worried that he will look uncool. The whole party stops and they stare at him saying it is uncool. This is a POV shot from behind Ben.
Ben has an internal conflict with himself and is thinking of the possible outcomes of letting his friend drink and drive. This shot is a close up of Liam.
Liam imagines having no one to play football with at the park and see's Ben as a ghost. This will be a long shot at the park.
It cuts back to the Party and he continues to think of the possible outcomes. He is upset and this is a close up.