denouement

deɪˈnuːmɒ̃

noun

the final part of a play, film, or narrative in which the strands of the plot are drawn together and matters are explained or resolved.

the film’s denouement was unsatisfying and ambiguous

finale,final scene,final act,last act,epilogue,coda,end,ending,finish,close,culmination,climax,conclusion,resolution,solution,clarification,unravelling,wind-up