The second son, the Thai ambassador to a certain country, met a cheerful female college student studying abroad who hated evil...

This story takes place two years after the first four stories.

Khun Chai Pawarut's original partner, M.L. Krathin Thevaphrom, married Klao, the owner of a southern rubber plantation, and they had a daughter named Cheewan.During the school holidays, Krathin sent his youngest daughter, Cheewan, to Bangkok to live with Kesara.Wants to teach and befriend Porncheewa, the youngest daughter of Kesara and Chinnakorn, Porncheewa and Cheewan.So they are like twin brothers.We always went everywhere together and did things together.When Pornchiva passed the exam and won a government scholarship to study in Switzerland.Grandpa An also gave Chiwan a scholarship to study.But Chiwan studied in a different city than Pornchiva.

M.L. Suruj Juthathep, son of Khun Chai Pawaruj and Khunying Wannarasa.He had just assumed the post of first secretary at the Thai Embassy in Bern. As soon as he arrived in Bern, he received two letters from abroad.

-The first letter was written to “Saruch”, indirectly asking him to consider Porncheewa as his lover.

- The second letter was sent to Cheewan and forced upon her directly, causing Suruj and Porncheewa to become a couple.

Su Jie ignored the letter.On the contrary, life is full of enthusiasm.Sarut, the biggest benefactor, only thinks about plans to meet the needs of his great-grandfather. His duty is to take care of Thai students who come to Switzerland to study.The biggest headache for Saruj and her classmates was Nava's son Nazarit, who worked hard to pursue Porchiva.The next headache is Khunying Veena, the wife of the ministry's permanent secretary who tries to force her daughter Venus to succeed at every opportunity.

Chivan rents an apartment from Simon, a handsome, kind-hearted Swiss man who, along with two Thai siblings, Dara and Dara, both have a crush on Pongchiwa.Meanwhile, Dara, a quiet young man, often appears dissatisfied with Porchivar's arrogant character.Porncheewa is a perfectly grown beautiful girl.She was Kessara and Chinnakorn's high hopes, but then something happened that changed everyone's lives.When Thailand announced the floating of the baht, Saruj was recalled as secretary to the minister, and almost all Thai children were recalled to Thailand.Including Pornchiva and Chiwan who came back with important secrets!!

In Thailand...Saruj, Pornchiva and Chiwan and others encounter many incidents and obstacles.Saruj was impressed by life during those difficult times.And Chiwan, no matter how fond he was of Sarut, always abided by the orders of great-grandfather An and the teachings of his humble mother.So he tried to stay away from Suruj.

Cheewan accepted Khun Tuad On's commission to pair love medium Porncheewa with M.L. Saruj Juthathep, Permanent First Secretary of the Thai Embassy.

Khun Sumruj, who recently accepted a position in Switzerland, is responsible for looking after all Thai students.A life of heroic deeds, until eventually being considered a troublemaker.

But due to Cheewan's naughtiness, Suruj runs away from Khuning Veena (Khuning Veena) who has been trying to force her daughter Venus, unaware that she will be paired with Cheewan's Porncheewa.

When Porncheewa starts to distance herself, Khun Sarut's plan to pair up with Porncheewa starts not going according to Chiwan's plan.It's like you're secretly dating someone.Who could be Kunsu?Or anyone whose life remains uncertain.

But Swann's matchmaking brought you a strange joy.Because Khun Sarut has seen and experienced such a cheerful and lively female life, Sarut's life is not lonely every day.But the ensuing economic crisis caused Chewan and Porncheewa to urgently return to Thailand.

Mr. Saruj was recalled to Thailand as the minister's secretary. Apart from brother Juthathep and great-grandfather On, the happiest person may be Chiwan.But Suj's return.Next is the story of ex-girlfriend Ma Muslin dating Ruj again.Until my great-grandfather became frail and worried that old fires would be rekindled.Something has to be invested in life for this job.The mission of conveying love between Khun Saruj and Porncheewa continues again.

Chiwan considered finding a new contractor to perform repair work on Khun Sarut's house instead of Maslin, who had to stop work because of Natsarit's arrival.

In this incident, Pana and Pee Nop immediately rushed to Bangkok to accept the job.Something needed to be done quickly.This incident made Khun Sarut feel jealous as soon as he saw the close relationship between Nop and Chiwan.

Previously, Grandpa An ordered Saruj to help look at the repair work of Khao Yai's house with everyone.Thus, the prank love matchmaking plan between Khun Saruj and Porncheewa started again.

Mae Krathin pretends to be sick and causes her pain.Someone took him to the hospital.Khun Saruj and Phoncheewa were the only two people left in the house in Khao Yai.But Porncheewa did faint and luckily, Mr Phum or M.L. Ronnaphum came to help and rushed him to the hospital.

But Porchivar is worried about being examined by doctors.People will know they are pregnant.So he confessed his love directly to Cheewan. In the play, in addition to being under great pressure with Porn Cheewa, Cheewan also had to reconcile with Mr. Sut.Very angry at what life has done.

Mae Krathin throws a party in the kitchen to apologize to Khun Saruj for causing trouble in Ban Khao Yai.But Krathin announced the engagement of Chiwan and Phana's son Nop in front of everyone. Chiwan protested stubbornly, but seemed to be tied up.

Ying-Thua-On came out to understand and testify.In life we ​​have to play with water together.Saruj knew immediately that Krathin wanted to take life away from him.The incident was so sad that she had to escape to a hotel.But then life came and Saruj's heart beat even faster.

Cheewan still wants to know who the father of her unborn child Porncheewa is, so she invites Simon to visit Thailand.But Pornchiva invites Simon to escape to Pattaya until something big goes wrong.

As for Chiwan, she was photographed with Khun Saruj at the hotel, and then Khunying Veena sent the photo to her grandfather. On saw the photo and knew it immediately.this is life.Along with the threat that she might have to get married because of the photo.Cheewan vehemently denies that she will never marry anyone.After listening, he could only sigh that love is really helpless.

Khun Sarut, Pachiwan and Porncheewa returned home and met Khunying Veena, who informed them of Porncheewa's great-grandfather On.​

Pornchiva's parents and Chinnakorn were all together.To her parents' dismay, guilt gnawed at Porchiva's heart until she fainted.

But Khunying Veena remains in turmoil as she searches for the father of the child in Porncheewa's womb.Until Mr. Sarut couldn't bear it anymore and declared in front of his great-grandfather that he was the father of the child in his belly.The child in the unborn child was none other than “Juthetep”, which shocked everyone, including those who knew the news.