Edited sentence: As much as Profondo Rosso is lauded as a masterpiece, it is not without flaws.However, the film also contains an element of whimsical humour, something virtually absent from all of Argento's later works.In one scene when Daly is climbing along the wall of the mansion, the film's booming cliffhanger music continues to play even after he reaches safety and is no longer in direct danger.Much of the acting is quite wooden, the dialogue is often corny and there is little real chemistry between the leads.Occasionally, Argento seems to overplay his creative hand.The flow of some other scenes also seem needlessly interrupted, most notable the sequence where Daly is frantically revealing a painting hidden under a layer of plaster