The wife of Thai drama doesn't choose dishes. Which episode is cheating?

The first 18 episode was found by her husband in the hotel.

My wife doesn't choose food is a Thai TV series, directed by Sant Srikawa and starring Namthip Jongrachatawiboon and Nawat Kulrattanarak. The play was broadcast on May 28th, 20 18 on GMM 1 in Thailand and on March 2nd, 2020 on Shanghai Oriental TV.

Synopsis: Pong and Bee cooperate again after 9 years. This drama is a remake of Taiwan Province's The Fierce Wife, which tells the story of a husband cheating on his wife. His cousin and wife turn around and attack with the help of a handsome and rich man.