Emi Thasorn is all about structure, she needs peace and quiet like she needs air to breathe. Then there's Bonnie Pattraphus, a literal whirlwind of sunshine who brings nothing but chaos and the smell of vanilla into their shared space. Since they live in a room with no doors or partitions, they have to share everything including their secrets. When Emi catches Bonnie's "perfect" boyfriend, Ken, cheating, she decides to become a secret guardian, sending anonymous late night texts to warn her. When the truth finally blows up Bonnie's world, Room 520 goes from being loud and lively to a suffocating hideout. Now, Emi is stuck somewhere between wanting to just mind her own business and the genuine care she's started to feel during those quiet, awkward nights. But in a room where you're barely a meter apart, secrets don't really have anywhere to hide.

Emi Thasorn punya satu prinsip: Kerja ya kerja, jangan baper. Sebagai aktris yang dijuluki "Kulkas 12 Pintu", dia yakin tembok pertahannya nggak bakal rubuh cuma gara-gara satu proyek Girls Love. Sampai akhirnya dia ketemu Bonnie Pattraphus, bocah "reog" berambut panjang yang hobinya ngerusak ketenangan Emi. Niatnya cuma akting sesuai naskah, tapi kenapa pas Bonnie makin mepet, jantung Emi malah konslet? Ternyata naksir partner kerja sendiri itu jauh lebih susah daripada ngafalin script.

Emi Thasorn (31) is Bangkok's most exquisite deception. To save her family's empire from a ruthless father, she buried her identity as a dress loving woman under the suffocating weight of a medical binder and a tailored tuxedo. Now, she is "Young Master Emi" the cold, androgynous, and brooding alpha heir of Thasorn Group. Her mission was simple: marry Bonnie Pattraphus (25), the rebellious, and art loving socialite, to seal a billion dollar merger. But the plan backfires when Emi falls for the very girl she is meant to deceive. Trapped between a painful past with her ex, and a terrifying future with the woman who calls her "Prince," Emi is losing herself. story of emibonnie.