Development 3D adventure game with puzzle story and environment

Hi. I need some tips. I want commercial game project. My game have to be 3D adventure story line with little action and puzzle (move enviroments , take things, use, combinations, buttons, lever etc). Game have to be with quality cut scenes and less graficaly gameplay.

Which tools,licences and procedures can be helpfull ? My idea is use mixamo characters for gameplay when dont need face animation when characters will be speak together. But I need cut scene with animation face. Project have to be free for me about purchases. So friends what give me advice and tips?

Or where I have to start ?