Im Siwan and Go Ah Sung may be in a drama together. 

On June 30, one industrial media representative has reported that Go Ah Sung has been in talks for a leading role in the upcoming drama 'Tracer.' 

In response to the said report, the agency of Go Ah Sung, Key East Entertainment, commented that Go Ah Sung already received a casting offer to star 'Tracer' and currently reviewing the proposal. 

'Tracer' is a drama about revenge and focuses on the setting of the National Tax Service. Im Siwan also in talks to play as Hwang Dong Joo. He will be playing as the new team manager of the Seoul Regional Office's Investigation Bureau. 

In response to also to the report, the agency of Im Siwan confirmed that he received an offer to star in the upcoming drama 'Tracer' and also currently reviewing it. 

Son Hyun Joo has received the offer to play In Tae Joon. He will be playing as the commissioner of the Seoul Regional Office. The drama will be written by writer Kim Hyun Jung and will be directed by Lee Seung Young. 

Go Ah Sung already impressed the viewers with her acting in her broad spectrum of genres. Some of her famous works are 'Radiant Office,' 'The King,' and 'Life on Mars.' She also worked in the movie 'A Melody to Remember' with Im Siwan. 

Im Siwan also worked with popular drama series like 'Run On,' 'Strangers From Hell,' 'The King in Love, and 'Misaeng: Incomplete Life.' 

Son Hyun Joo is playing in the movie 'Hansan' and appeared in the popular Netflix series 'Itaewon Class,' 'The Good Detective,' 'Justice,' and 'Criminal Minds.' He plays Won Gyun in the movie 'Hasan' which sets in 1592. The film is based on the actual battle of 'Battle of Hansan Island.'