Doppelganger (2018)

After a betrayal drives Liwei to murder his friend, he boards a cruise planning to end his life. There, he meets Ruiming, a wealthy businessman who looks just like him and offers to help with his debts. When the cruise suffers a fatal accident, Ruming is presumed dead and Liwei is mistaken for him. Seeing a way out, Liwei assumes Ruiming’s identity and steps into a new life built on deception.