movie plot

Hi, can someone please check these paragraph and let me know if these are any mistakes?

Short plot
After losing his memory in an accident, a young man tries to find his identity. He does not know who he is and where his family is. Eventually, he finds something that leads him back to his home.

Long plot
After a tragic accident, Tan loses his memory, remembering only his name. One day, he finds something that leads him back to his home. There, he meets his twin sister Tubtim, who is currently living with Chiwin, a widower with two kids. As Tan gradually gets to know all of these people, he begins to fear them, and even when he tries to escape from the house, he is unable to as he gets pulled in by the fearsome truth.