Extract the answer to the following question from the movie plot. If the question isn't answerable, please output "Can't answer". Question: Who does Lau leave behind after his death? Title: Written By Movie plot: "Lau Ching-Wan plays a lawyer who dies in a car wreck just before answering his daughters question about ghosts, leaving behind his wife, daughter and son. To console herself, his daughter (blind from the crash) writes a novel where she, her mother and brother have died in a car wreck but her father(but blind) has survived. To her surprise, the character of her father in her book decides that HE needs to write a novel to console himself and in his novel he has died but his wife and daughter have lived...and on and on in an endlessly recursive loop, as wounded characters desperately apply fiction to try and dull the sharp edges of their grief." [1]
The answer to this question is:
His wife, daughter and son