Both main cast are under cover. They both have inner struggle. Putting their life in tremendous danger.

Both are about the undercover cop. They sacrify their family and love life for the country and for the job. They involve in dangerous mission and duty.

Just an undercover cop film. The undercover cop know how dangerous their job is but couldn’t get out

Both involve young woman love of art/music. Struggle so much in life. Touch of romance. . True story

Both are true story about a young talented man/woman struggle with life. Amazing voice. Heart warming movie

The main leads on both movie were dead but spirit wonder around. Able to see everything but others couldn’t see him. Both has a beautiful lover, but had to let go of her ….

Both has a main lead that can see ghost. They refused to help at first, the supernatural power that they have would put in a good use at the end

Both movies main leads are dead and second main lead was able to help the first main lead to fulfill his unfinished business. One about crime, the other has music genre, touch of romance

The death has unsettle business, souls still hanging around attempting to finish the mission. One is comedy the other one is love family suiting story. One has bromance the other one is romantic

The young police on one movie remind me of the other movie, perhaps it is the uniform. Both movies show the young policeman trying to crack the crime, facing fierce dangerous challenges. Lots of humors

Only certain people can see ghost or dead soul. Both Korean movie/drama has a main lead can see dead soul wondering around.

Both has an autism kid that grown up. Moment of challenging, awkward, lots of funny and interesting moment as well. A single father raising an autism kid. They always worried about the child future. Teaching them routine, social, self-care as well as orchestra people surrounding the child. Shower is an older Chinese movie that did right. All father worry about their autism child, teaches the son the surviving skill, lots of love and encouraging their independent as well