Boss, an elusive bar owner living in New York, reunites with his estranged best friend, Aood, for a roadtrip in Thailand after Aood has been diagnosed with terminal cancer.
In this world, there are many people who seem to be wandering along a relationship border-lining friends and lovers. This borderline is also commonly known as the friend zone. It is a special area for those who are stuck in the middle where they cannot really stay friends with their close friends, nor move forward to be their friends' lovers.
A childhood accident left Irin with a unique ability for frequency and sound, which most people cannot decipher. Her skills were tested when she took an emergency call at the precinct and had to endure her father's murder in progress. Following a series of other similar deaths, she searches for his killer, which unveiled a web of corruptions and deceit.
