Complex sentence: Rookie lawyer Raymond through Old Kwan's (Lau Siu Ming) help, searches for evidence everywhere, the truth gradually unraveling the case, but also opposed by the father of his fiancee, and also the relationship with his fiancee gradually goes down.
Split into simpler sentences: Rookie lawyer Raymond, through Old Kwan's (Lau Siu Ming) help, searches for evidence everywhere--the truth gradually unraveling the case. He is opposed by the father of his fiancée, and the relationship with his fiancée gradually goes down.