CPCameraStudioReborn is a plugin that lets you create your own camera paths in your server. It's mostly used as an alternative for the Replay mod, but it can also be used for cinematics or cool cut-scenes in-game!
The plugin supports all versions up to 1.13, but 1.14 also works perfectly fine.
Link: https://www.spigotmc.org/resources/cpcamerastudioreborn-smooth-cinematic-movement.31300/